Question

What is this equation/identity?

Answer 1

I am writing a program that will calculate answers to different types of equations lol, so far I only have two(pythagorean theorem and distance formula) but I came across this one and I'd like to know more about it. Thanks ^_^

Answer 2

this is what is called a co-function identity

Answer 3

oh ok when is it used though, for what purpose?

Answer 4

just to find sin(theta)?

Answer 5

this will help
http://www.virtualnerd.com/algebra-2/trigonometric-identities-equations/basic-identities/basic-identities-definitions/cofunction-identities

Answer 6

from the way i see it its just another way of finding angles if you dont want to memories all the bs trig offers lol

Answer 7

oh ok thank you :D