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Hot Posts
@dkmathstats
0
about 12 hours ago
STEMGeeks
Finding The Mean In Grouped Interval Data
Hi everyone. In this short mathematics post, I cover the topic of computing the mean/average in grouped interval data.
@ebingo
0
7 days ago
StemSocial
Multiple Shit Posts or One Awesome Post | What Is the Science Behind It?
Source I spent the last couple of days re-writing a post about Elon Musk's Neuralink. It has been may
@mes
0
12 months ago
MES Science
Vectors as Forces in Physics and Engineering
▶️ Watch on 3Speak In this video I go over applications of vectors in physics and engin
@mes
0
12 months ago
MES Science
Derivative of Trigonometric Functions: Derivative of sin(x)
In this video I derive the derivative of sin(x) using the definition of the derivative as well as applying some useful trigonometric identities and limits. Download video…
@mes
0
12 months ago
MES Science
Trigonometry Identities: sin(x +/- y) = sin(x)cos(y) +/- cos(x)sin(y)
In this video I use the cos(x - y) identity which I proved in my earlier video to derive a very useful trigonometric identity for sin(x + y) and sin(x -y). Download video…
@mes
0
12 months ago
MES Science
Trigonometry and Limits: limit of sin(x)/x as x goes to 0
In this video I show a geometric proof of this very useful limit of sin(x)/x as x goes to 0. I will use this in later videos to prove many trig derivatives and integrals.…
@meta007
0
12 months ago
StemSocial
Another interesting problem related to circle and triangle
Hello math bugs(🐞) and hivers(🐝) I hope you are strong and stout and doing good in life You can see a ∆ ABC circumscribed by a circle. CD and BE , the bisectors…
@mes
0
12 months ago
MES Science
Trigonometry Identities: cos(2π + x), sin(2π + x), cos(π/2 -x), sin(π/2 -x)
In this video I show some very useful trigonometric identities which basically involve shifting the sine or cosine functions by either 2π or 360 degrees and π/2 or 90 degrees.…
@mes
0
12 months ago
MES Science
Trigonometry Identities: cos(x +/- y) = cos(x)cos(y) -/+ sin(x)sin(y)
In this video I derive addition and subtraction identities, cos(x+y) and cos(x-y), using the Law of Cosines and the Pythagorean Theorem. This identity is very useful in all of…
@mes
0
12 months ago
MES Science
Unit Vectors
▶️ Watch on 3Speak In this video I go over unit vectors, which are vectors of length 1.
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