In this video I go over a very quick hyperbolic trig identity proof of the identity 1-tanh^2(x) = sech^2(x) using the hyperbola identity, cosh^2(x) - sinh^2(x) = 1, which I proved in my earlier video.
In my earlier video I showed calculated by hand 111,111,111 x 111,111,111 and showed that it is equal to 12345678987654321 but I solved that using basic hand multiplication techniques and the calculation was very tedious. But in this video I show how you can calculate any multiplication that involves only the number 1 in just a few seconds! This video is a must see and you can definitely show off you calculation skills to friends!
Download the notes in my video: https://www.dropbox.com/s/pkeakwcccu3i3m3/394%20-%20Multiplying%20by%201s%20-%20Easy%20Method.pdf
Related Videos:
111,111,111 x 111,111,111 = 12345678987654321 - Hand Calculation: http://youtu.be/N1g-fe7ZxfA
Addition and Subtraction by Hand - An in-depth look: http://youtu.be/Tkb7xU-lFWU
Multiplication by Hand - In depth look at the wonderful world of multiplication: http://youtu.be/bUKGh5R_0Sw
Long Division by Hand - An in depth look: http://youtu.be/giBZg5Vqryo .
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https://www.youtube.com/watch?v=XUF6HaiKzMY
In this tutorial I show how you can round text edges with the Gaussian Blur Function in GIMP 2.0 and also with a little trick of duplicating and merging layers. This is a must learn technique for anyone even photo-shopping for fun.
Related Videos:
GIF Animations with GIMP 2.8 - A very simple step-by-step tutorial: http://youtu.be/vg8IFbHsvng
GIMP Photoshop Tutorial - Adding a Color Border to Text and Objects: http://youtu.be/fTyLewIVB-8
GIMP Photoshop Tutorial: http://youtu.be/dSYjD4ov6ao .
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In #911Truth Part 14 I have compiled together in chronological order what may very well be the most complete picture of what actually happened to Building 7: which is it got turned to dust gradually from inside out for 7 hours before falling like a hollowed out shell. World Trade Center 7 (also referred to as WTC 7, Salomon Brothers building, or “Building 7”) has been far too often used erroneously (intentionally and unintentionally) as “proof” of conventional controlled demolition; and often by only showing the few seconds where it falls down (albeit extremely quietly leaving very little rubble or seismic impact or projectiles as would be expected from anything conventional). But removing all mainstream and “mainstream alternative” narratives aside, our eyes show us exactly what happened…
I have stitched together 8 videos and sped up the majority at 45X speed to give a complete and concise view of Building 7 turning into dust, much like the rest of World Trade Center complex (which consisted of 7 buildings in total including the Twin Towers WTC 1 and 2). A full description and screenshots of the main events in each video is shown in the accompanying Hive post: https://peakd.com/history/@mes/911truth-part-14-building-7-turning-to-dust-for-over-7-hours-fast-forward-45x-speed
The original videos with sound are shown in the following “EnhancedWTCVideos” YouTube channel, and which obtains the videos from a Freedom of Information Act (FOIA) request from the National Institute of (coverup) Science and (coverup) Technology (NIST). They are listed below along with the timestamps.
1. @ 0:00 – WTC 7 not dustifying until WTC 1 falls at 10:28:22 AM.
- https://youtu.be/Gkg8_k263dI
2. @ 1:11 – Better angle of WTC 7 beginning to dustify after WTC 1 falls.
- https://youtu.be/5vev0LfjtyM
3. @ 2:50 – Dustification of WTC 7 at unconfirmed time: Likely 1 PM to 2 PM.
- https://youtu.be/QmiROP2mFkA
4. @ 5:01 – Dustification of WTC 7 from: 1:59:53 PM to 2:50:09 PM.
- https://youtu.be/WeemmQEMmGo
5. @ 6:22 – Dustification of WTC 7 from one side at unconfirmed time: between 3 PM and 4 PM?
- https://youtu.be/iPCFTWkR3x8
6. @ 7:59 – Dustification and fall of WTC 7 from 5:05:45 PM to 6:00:05 PM.
- https://youtu.be/YDafE3I2uTA
- WTC 7 falls at about 5:20:52 PM (dustification of about 7 hours).
7. @ 9:41 – WTC 7 rubble still fuming/dustifying at unconfirmed time: September 12th or 13th?
- https://youtu.be/-xddmqwuivs
8. @ 11:19 – WTC 7 rubble still fuming/dustifying at unconfirmed time: September 18th or 19th?
- https://youtu.be/9fryX_4yfAc
At the end of the 8th video and overall video in general, I have included what appears to be a memorial to the firefighters that lost their lives during 9/11… #NeverForget
Stay tuned for #911Truth Part 15...
Related Videos:
✈️#911Truth Part 8: North Tower Literally Turning to Dust (Fast Forward 45X Speed): https://peakd.com/terrorism/@mes/911truth-part-8-north-tower-literally-turning-to-dust-fast-forward-45x-speed
✈️#911Truth Part 9: North & South Towers Literally Turning to Dust (Fast Forward 45X Speed): https://peakd.com/terrorism/@mes/911truth-part-9-north-and-south-towers-literally-turning-to-dust-fast-forward-45x-speed
✈️#911Truth Part 13: Helicopter Footage of the Twin Towers Turning to Dust (Fast Forward 45X Speed): https://peakd.com/history/@mes/911truth-part-13-helicopter-footage-of-the-twin-towers-turning-to-dust-fast-forward-45x-speed
#911Truth video series: https://peakd.com/truth/@mes/911
#MESScience video series: https://mes.fm/science-playlist
#MESExperiments video series: https://peakd.com/mesexperiments/@mes/list
#AntiGravity video series: https://peakd.com/antigravity/@mes/series
#FreeEnergy video series: https://mes.fm/freeenergy-playlist .
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In this video I go over another example on trig substitution for integrals and this time go through an example where sometimes it is possible and easier to solve the integral without having to resort to trig substitution. In this example I solve the integral of the function x/(sqrt(x^2 + 4)) and solve it using both trig substitution and regular substitution to illustrate how sometimes it is easier to use regular substitution.
Download the notes in my video: http://1drv.ms/1ChRQ6L
View Video Notes on Steemit: https://steemit.com/mathematics/@mes/trigonometric-substitution-for-integrals-example-4
Related Videos:
Trigonometric Substitution for Integrals: Example 3: http://youtu.be/Tfl90TqW3jA
The Area of an Ellipse (and Circle): http://youtu.be/7hSkKPQA71s
Inverted Ellipses: http://youtu.be/NQQFj66-bxA
Trigonometric Substitution for Integrals: Example 1: http://youtu.be/lpp6YLWB2GM
Trigonometric Substitution for Integrals: http://youtu.be/2pWvGXwtVJo
Simple Proof of the Pythagorean Theorem: http://youtu.be/yt-EJlbJQp8
Trigonometry Identities: Proof that sin^2(x) + cos^2(x) = 1: http://youtu.be/o-fAx_96lgw
Derivative of Trigonometry Functions: Derivative of tan(x): http://youtu.be/Jf6p4crjrSc
Trigonometry Identity: Integral of tan(x): http://youtu.be/DuBB3xl0bdc .
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https://www.youtube.com/watch?v=v3tHdU63Vio
In this video I go over scalar multiplication for vectors. The idea behind scalar multiplication is wanting to multiply a vector by a real number c such that it becomes shorter or longer but in the same parallel direction. In other words, the real number c "scales" the vector. And when multiplying by a negative number, the vector flips in the opposite direction. When dealing with negative vectors, we can visualize this by subtracting vectors using the Parallelogram or Triangle Laws. I also go over an example to illustrate scaling and adding vectors.
The timestamps of key parts of the video are listed below:
- Definition of Scalar Multiplication: 0:00
- Negative Vectors: 3:00
- Example 2: 6:11
This video was taken from my earlier video listed below:
- Vectors and the Geometry of Space: Vectors: https://youtu.be/0lJiVlKw4Kc
- Video notes: https://peakd.com/hive-128780/@mes/vectors-and-the-geometry-of-space-vectors
- Playlist: https://www.youtube.com/playlist?list=PLai3U8-WIK0EiRECLVkBCcFhSpbSz8XIw
Related videos:
Vectors and Geometry of Space video series: https://www.youtube.com/playlist?list=PLai3U8-WIK0FjJpwnxwdrOR7L8Ul8VZoZ .
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https://www.youtube.com/watch?v=KimTsaCH8Dw
In this video I go over a quick tutorial of our newest free online calculator at http://gpacalculator.cc. The calculator is a Grade Point Average or GPA Calculator and in this video I show how to use it as well as go over a quick proof of the calculations. Try out the calculator and calculate your GPA!
Download the notes in my video: https://www.dropbox.com/s/dwzgyzhzm66jugi/449%20-%20Fail%20Safe%20GPA%20Calculator.pdf
Related Videos:
Grade Point Average (GPA): http://youtu.be/ms7nfJfgQdM
Grade Calculator: gc.mes.fm (Update): https://youtu.be/KjAfCz-8e4w
Hashtag Everything iPhone App Tutorial: http://youtu.be/nvhX-LPmF54
Percentage Calculator: PercentCalculator.com (Update): https://youtu.be/wxbwPBve4sQ
Mortgage Calculator Tutorial: mc.mes.fm: http://youtu.be/IZkpH9bWgPU .
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https://www.youtube.com/watch?v=wEwOjGJmiDU
In this video I discuss the very useful method of using Linear Approximation but in terms of differentials and show how they can be easily used to approximate functions and even to calculate errors between measured and calculated values.
Download the notes in my video: https://1drv.ms/b/s!As32ynv0LoaIib1GnbG6hASo24Fv-A?e=Z9U5AA
View video notes on the Hive blockchain: https://peakd.com/hive-128780/@mes/differentials-notation-in-linear-approximation
Related Videos:
Linear Approximation - Introduction and Examples: http://youtu.be/bXEK8bkWTtM
Derivative of y = x^n - Part 2: General Power Rule: http://youtu.be/Ibvu33oh49o
Definition of Derivative Simple Explanation: http://youtu.be/0rjGMpM06Eg .
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In this video I go over pivot tables and pivot charts in Microsoft Excel. Pivot Tables are an extremely powerful tool to analyze and modify lots of data very quickly and easily. Being able to use pivot tables is a very important skill to have to make sure to watch this video!
Download the Excel File in my video: http://1drv.ms/1BEa1X8
Related Videos:
Convert Time to number, seconds, hours and minutes in Microsoft Excel 2007: http://youtu.be/fwMKbXI98tI
Converting Numbers to Fractions in Microsoft Excel 2007: http://youtu.be/YgJBK0QjIec
Intro to Tables in Excel 2007: http://youtu.be/B_zXmunqrl4
Drop Down Lists with Microsoft Excel 2007: http://youtu.be/e7Sbcn-y9j4
Microsoft Excel Tips: -2^2 = +4 and NOT -4!!!: http://youtu.be/9QC3ZboI3wo
Skip Blanks when Graphing in Microsoft Excel: http://youtu.be/HcCJVUd7a5Q
Transparent Images in Microsoft Excel + Useful Tip: http://youtu.be/uKjtsQZ5Ow0
Automate Formulas using INDIRECT() Function in Excel: http://youtu.be/9WiBtrNq9yU
ISERROR and ISERR Functions in Microsoft Excel: http://youtu.be/MrZLtpsLktM
Trendline Slope and Intercept Formulas in Microsoft Excel: http://youtu.be/DTDY9RL35b8
Simplfying Formulas in Automated Tables in Excel: http://youtu.be/gFhT9OD_OyU
Remove Trendline from the Legend in Microsoft Excel: http://youtu.be/njp-zx_5Dq0
Converting Text to a Table using "Fixed Width Text to Columns" in Microsoft Excel: http://youtu.be/wOpcnsMHb6Y
Adding Secondary Vertical and Horizontal Axes in Microsoft Excel: http://youtu.be/fhPyaWzIQVk
Microsoft Excel: Graphing too many data points - Simple Solution: http://youtu.be/jKwFDR5X1ZY
Microsoft Excel: Data Bars within Cells: http://youtu.be/EjvAhSLmJgw
Substitute Function in Microsoft Excel: http://youtu.be/E9vWWWAqSvw .
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https://www.youtube.com/watch?v=Po05TsKHhh8
In this video I go over the law of sines again but this time write it in the more advanced and less common form which includes the diameter of the corresponding circumcircle that is formed around any triangle. This version of the law of sines states:
a/sinA = b/sinB = c/sinC = D
where:
- a, b, c are the lengths of the triangle
- A, B, C are the corresponding opposite angles
- D is the diameter of the circumcircle
In this proof, I utilize the basic proof of the law of sines as well as taking into account the inscribed angle theorem which allows us to include the Diameter of the circumcircle in the relation between the angles and lengths of the triangle.
Download the notes in my video: http://1drv.ms/1BAvWLC
View Video Notes on Steemit: https://steemit.com/mathematics/@mes/law-of-sines-circumcircle-proof
Related Videos:
Law of Sines: Basic Proof: http://youtu.be/_HDM60RRh8U
Inscribed Angle Theorem: Corollary Properties: http://youtu.be/ONHVPKkdGGI
Inscribed Angle Theorem: Inscribed on Minor Arc: http://youtu.be/53ueXQa8OEM
Inscribed Angle Theorem: http://youtu.be/XZKogfeUSlY .
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https://www.youtube.com/watch?v=Xeo0A_xDCeQ