In this video I go over another example on trig integrals and solve the integral of tan[x]^3. In my earlier video I covered some guidelines on solving integrals of the form tan(x)^m * sec(x)^n for the 2 cases:
1) n is even 2) m is odd and n is greater than 0
In this particular example it doesn't fit in any of those guidelines so we need to use some ingenuity in solving these integrals. It is also useful to use the trig integral identities for the integral of sec(x) and tan(x).
In this video, I go over what the inverse secant function is and provide a simple proof of the derivative of it. If you ever encounter inverse csc(x) or inverse trigonometric functions in general then this video is a must watch.
Download the notes in my video: https://www.dropbox.com/s/20lz93a6f0jggr7/238%20-%20Derivative%20of%20arccsc%28x%29.pdf
Related Videos:
Derivative of arccot(x) (or inverse cot(x) or arccotangent(x)) - Simple Intro and Proof: http://youtu.be/xO8PZdQOpyg
Derivative of arcsec(x) (or inverse sec(x) or arcsecant(x)) - Simple Intro and Proof: http://youtu.be/PIFfa2WEOEc
Inverse Functions - f-1(x) - An Introduction: http://youtu.be/qIqj3oKwFi8
Inverse Functions Part 2: One to One Functions and the Horizontal Line Test: http://youtu.be/iSNuplUWrbA
Implicit Differentiation - A Brief Introduction: http://youtu.be/12OY1b3DYHQ
Negative Reciprocals and Perpendicular Lines: http://youtu.be/Ue7FmrfmuX4
Trigonometry Identities: Proof that sin^2(x) + cos^2(x) = 1: http://youtu.be/o-fAx_96lgw
Trigonometry: Sine, Cosine and Tan Functions: http://youtu.be/WKTIlF2oWw8
Power Functions and their Properties Part 1 - A Simple Explanation: http://youtu.be/2MKko4ZkSf0
Derivative of Trigonometry Functions: Derivative of sin(x): http://youtu.be/elEvQ4Wu7Pk .
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https://www.youtube.com/watch?v=NdJfesadCRU
In this video I go over another example on implicit differentiation and now look at the famous cubic function, the Folium of Descartes. I also go over some very interesting historical facts in the history of math so make sure you watch this video!
Download the notes in my video: https://www.dropbox.com/s/c5e55yaf9fsw7gd/417%20-%20Implicit%20Differentiation%20Example%20Descartes.pdf
Related Videos:
Implicit Differentiation Example on Equation of a Circle: http://youtu.be/4_YzO6IsloY
Implicit Differentiation - A Brief Introduction: http://youtu.be/12OY1b3DYHQ
Derivative Rules: Proof of Chain Rule: http://youtu.be/tYDDpKzP-VU
Derivative of y = x^n: Power Rule Part 1: n is positive integer: http://youtu.be/-Yv85MZNYgU
Power Functions and their Properties Part 1 - A Simple Explanation: http://youtu.be/2MKko4ZkSf0
Limit Laws - Part 2 + Brief History of Newton and Limits: http://youtu.be/K5n7y2BvnOs .
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https://www.youtube.com/watch?v=D3ahNyg-OoQ
In this video I go over Part 3 of Example 1 on using calculus to determine tangents to a parametric curve. In this part I solve for the intervals on the curve that are concave upwards, or concave downwards. This is done by using the second derivative test which looks at concavity. Basically if the second derivative is positive then it is concave upwards, i.e. accelerating upwards; if it is negative then it is concave downwards, i.e. decelerating or moving downwards at an increasing rate. After determining the intervals of concavity, I combine what we learned from Parts 1 and 2 to finally sketch the entire curve. Also, as a check of our curve, I use the amazing Desmos online calculator to plot out our parametric equations to confirm that indeed our sketch was correct. This is a great example on using calculus to sketch parametric curves so make sure to watch this video!
Download the notes in my video: https://1drv.ms/b/s!As32ynv0LoaIhuJFEJm40b2DF7Wo4g
View Video Notes on Steemit: https://steemit.com/mathematics/@mes/parametric-calculus-tangents-example-1-part-3
Related Videos:
Parametric Calculus: Tangents: Example 1 Part 2: https://youtu.be/IYfBPigvzNc
Parametric Calculus: Tangents: Example 1 Part 1: https://youtu.be/QBD_TvcJuTo
Parametric Calculus: Tangents: https://youtu.be/deQwD2o0Sas
Parametric Equations and Curves: https://youtu.be/Kd3XF4LZoFE
Second Derivative Test - A brief Introduction: http://youtu.be/lOwK5rQh0Kk .
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https://www.youtube.com/watch?v=G4RAm1POWoU
In this video I go over asymmetric catenaries which are just catenaries but hung at different heights as opposed. I was recently asked whether the curve formed by hanging a cable across two different heights was the same as that for when the heights are identical, and so I looked into this question further to realize that yes, yes it is. The reason for this is that in my earlier derivation video on catenaries I set up the coordinate system so that the lowest point on the catenary is located at the y-intercept, and then set up a free body diagram of the a segment of the rope or cable. The free body diagram illustrates the tension in the rope at the lowest point and the linear weight density as the only physical constants that need to be obtained, and thus the derivation does not include the actual heights at which the catenary is hung. Thus the resulting hyperbolic catenary function y = a*cosh(x/a) + c is the for both asymmetric and symmetric catenaries! The only difference is that the location of the lowest point of the curve, and tension at that point may change at different heights.
Also in this video I go over a couple of applications of the catenary functions, including catenary mooring line systems and the Sea-To-Sky Gondola transportation service for mountain climbers. This is a very interesting video illustrating varying types of catenaries and how we can always look to the original derivation of to see how the resulting shapes will be like, so make sure to watch this video!
Download the notes in my video: https://1drv.ms/b/s!As32ynv0LoaIhvs1IuM3BFpCy2sDQQ
View Video Notes on Steemit: https://steemit.com/mathematics/@mes/video-notes-hyperbolic-functions-asymmetric-catenaries
Related Videos:
Hyperbolic Functions: Catenary: Example 4: Arc Length: https://youtu.be/mnBLG_D1nHg
Hyperbolic Functions: Catenary: Example 3: Telephone Lines: https://youtu.be/GbDGUYTrHQ0
Hyperbolic Functions: Catenary: Example 2: Graphing Catenaries: https://youtu.be/FlqcdaJn1NU
Hyperbolic Functions: Catenary: Example 1: Reverse Proof: https://youtu.be/KK4FoanPHzA
Hyperbolic Functions: Catenary: Formula and Proof: https://youtu.be/EYb1p9r1fnM
Hyperbolic Functions - tanh(x), sinh(x), cosh(x) - Introduction: http://youtu.be/EmJKuQBEdlc .
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https://www.youtube.com/watch?v=vDsLu3DCgyw
In this video I look further into the Pope Paul VI Audience Hall, and this time take a close look at the Pericle Fazzini's The Resurrection (or La Resurrezione) sculpture, which is a depicts Jesus supposedly coming out of a nuclear apocalypse. But to see if there may have been some hidden meaning behind the sculpture, I applied some mirroring effects… When mirrored from the left side, the sculpture literally looks like a shirtless man mixed with a demonic animal like Baphomet figure! When mirrored from the right, it looks like some demonic being as well.
In my earlier Audience Hall video I illustrated how the Hall looks like a giant snake’s head complete with fangs, slit eyes, scales, mouth, and now I show the red carpet looks like a tongue! The Hall from map view appears as if the Snake Hall is BITING the Vatican City!
Also, St. Peter’s Square and Basilica appear as a giant snake with its tongue sticking out, in addition to appearing like the famous St. Peter’s “Keys to Heaven”. At the center of St. Peter’s Square is an ancient Egyptian Obelisk which may have some phallic meaning...
To understand the Hall better, I show the previous works of both the Hall's architect Pier Luigi Nervi, and Fazzini. Some of Nervi’s works depict UFOs. Some of Fazzini’s works involve similar architecture to the Resurrection, representing creation and/or glorification.
Time for some “speculation”. Since an explanation is hard to find, I look to Occult researchers. One such researcher is Micheal Tsarion, which I first heard of after watching his video on The Destruction of Atlantis! Tsarion, along with another YouTuber Gerone Wright speak about possible Alien Genetic Manipulation during humankind’s origins, possibly with some reptile/snake animals or beings too. “Entertaining” this idea, the Vatican symbolism then might mean that the Hall, Snake bite, the Key, and the Obelisk represent genetic manipulation of mankind. And the Jesus sculpture might mean he is rising out of the nucleus of an atomic genetic reaction, instead of the “Nuclear Apocalypse”… #MINDBLOWN
Genetic manipulation may also explain the cryptic meanings behind Nervi’s UFOs, Fazzini’s origins and glorification works, the Bible’s “Nephilim” and/or “Fallen Angels”, and the Tree of Life with the tempting of the serpent/snake of Adam and Eve. This may also explain why:
- The Superman logo looks like a Snake
- Billion dollar Virgin Group’s original logo depicts genetic manipulation
- George Washington and Zeus have monuments in Baphomet-like poses
- US Public Health Service and World Health Organization logos use similar Baphomet pants’ snakes around a staff logo
- Michelangelo’s Sistine Chapel depicts the serpent in the Garden of Eden wrapping around t
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https://www.youtube.com/watch?v=peZxhEouw-w
In this video I have uploaded Eric Laithwaite's 1974 lecture titled Tweedledum and Tweedledee. This is the second of his series of Christmas Lectures at the Royal Institution. This second lecture explores symmetry in engineering, electromagnetism, and everyday life. He also explores the idea of right vs left handedness in many ordinary objects which we may not have suspected to be there. Eric also shows some very interesting and unique demonstrations with magnets.
Watch more Eric Laithwaite lectures: https://www.youtube.com/playlist?list=PLai3U8-WIK0FZChU_6OaCmWA2byX1oEM3
The links to the original videos on the Royal Institution website are shown below:
- Lecture 1: https://www.rigb.org/christmas-lectures/watch/1974/the-engineer-through-the-looking-glass/looking-glass-house
- Lecture 2: https://www.rigb.org/christmas-lectures/watch/1974/the-engineer-through-the-looking-glass/tweedledum-and-tweedledee
- Lecture 3: https://www.rigb.org/christmas-lectures/watch/1974/the-engineer-through-the-looking-glass/jam-yesterday-jam-tomorrow
- Lecture 4: https://www.rigb.org/christmas-lectures/watch/1974/the-engineer-through-the-looking-glass/the-jabberwock
- Lecture 5: https://www.rigb.org/christmas-lectures/watch/1974/the-engineer-through-the-looking-glass/the-time-has-come-the-walrus-said
- Lecture 6: https://www.rigb.org/christmas-lectures/watch/1974/the-engineer-through-the-looking-glass/its-my-own-invention
Related Videos:
#AntiGravity video series: https://peakd.com/antigravity/@mes/series
#MESExperiments video series: https://peakd.com/mesexperiments/@mes/list
DRAFT #MESExperiments video series: https://mes.fm/experiments-draft .
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https://www.youtube.com/watch?v=8StH5mbYp5I
I was nominated yesterday for the ALS Ice Bucket Challenge by two of my friends and I accepted the challenge and even did it while biking on my stationary bike! I have nominated Barrack Obama and my friend Bryant so now they have 24 hours to either donate to the ALS Association at http://alsa.org or get ice cold water poured on them (or do both)!
The ALS Ice Bucket Challenge has gone viral over the last few weeks with celebrities such as Oprah, Bill Gates, and Former President of the United States George Bush also taking part in the challenge.
The challenge is meant to raise awareness for research for Amyotrophic Lateral Scleroris (ALS), also known as Lou Gehrig's Disease, which is a painful disease which leaves people with little control of many parts of their brain and body and most die with 2 to 4 years of being diagnosed. Make sure to donate to this and other worthy charities!
Related Videos:
Snowboarding in Whistler Blackcomb: http://youtu.be/b7DjyD9CsKY
Amazing NBA Streetball Crossovers and Blocks: http://youtu.be/90J7oE22I50 .
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https://www.youtube.com/watch?v=QoEKiL-31eE
In this video I go over the definition of a parabola and then derive the standard formula for parabolas. This is part of my new series on conic sections, or conics, which include parabolas, ellipses ( which includes circles), and hyperbolas because they can be formed by intersecting a plane through a cone (or two cones in the case of a hyperbola).
The definition of a parabola is the series of points that are “equidistant” (or of equal distance) to a fixed point, called the focus point, AND a fixed line, called the directrix. I illustrate this definition and show that we do in fact get the familiar parabolic shape. And when plot this definition onto an x-y plane, and fix the “vertex” of the parabola onto the origin, we can then use Pythagorean theorem to help obtain the standard formula for a parabola: x^2 = 4py. Switching the variables x and y to obtain the inverse, we get y^2 = 4px.
This is a very important video in understanding exactly how parabolas are defined, which many (including me) have taken for granted and just assumed they were defined as y = a*x^2; so make sure to watch this video!
Download the notes in my video: https://1drv.ms/b/s!As32ynv0LoaIhvgiSZxv0bp1Qz0qXA
View Video Notes on Steemit: https://steemit.com/mathematics/@mes/video-notes-conic-sections-parabolas-definition-and-formula
Related Videos:
Simple Proof of the Pythagorean Theorem: http://youtu.be/yt-EJlbJQp8
Inverse Functions - f-1(x) - An Introduction: http://youtu.be/qIqj3oKwFi8 .
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https://www.youtube.com/watch?v=kCJjXuuIqbE
In this video I go over determinants, what they are, and then show that we can write the Cross Product in a simpler and easier to remember form as a determinant. I also go over 2 examples determining the cross product using determinants.
The timestamps of key parts of the video are listed below:
- Definition of Determinants: 0:00
- Cross Product in Determinant Form: 6:46
- Example 1: 12:25
- Example 2: 15:36
This video was taken from my earlier video listed below:
- Vectors and the Geometry of Space: The Cross Product: https://youtu.be/k8GRt95i-Gc
- Video notes: https://peakd.com/hive-128780/@mes/vectors-and-the-geometry-of-space-the-cross-product
- Playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0FuRJ8rg-YVQvfPoPOwhuRW .
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https://www.youtube.com/watch?v=rdityjLg7bI