Eddie's Math and Calculator Blog
It's all about mathematics and calculators
Showing posts with label
trig identities
.
Show all posts
Showing posts with label
trig identities
.
Show all posts
Saturday, October 10, 2020
Sines and Cosines: Adding and Subtracting Angles
›
Sines and Cosines: Adding and Subtracting Angles Note: π/2 radians = 90°, π radians = 180° Sine sin(x + π/2) = sin(x) cos(π/2) + cos...
Friday, October 17, 2014
sin(atan x), sin(acos x), cos(asin x), cos(atan x), tan(asin x), tan(acos x)
›
Deriving trig functions where the angle is an inverse trig function. Example: sin(acos x). Inverse Functions sin(asin t) = t cos(acos ...
Friday, August 29, 2014
Why sin^2 x + cos^2 x = 1
›
Why does sin^2 x + cos^2 x = 1? Find out in this video. Link: http://youtu.be/0ger4IUFhPg - Eddie
Tuesday, April 24, 2012
Calculus Revisited #2: Working with Trigonometric Functions
›
Welcome to Part 2 of a series of the 21 Part Series Calculus Revisited, where we cover some of the major topics. Today's and tomorrow...
›
Home
View web version
