Please help! The Pythagorean Identity states that:
(sin x)2 + (cOS X)2 = 1
Given sin 0 = 23/12, find cos 0.
cos 0=
Simplify the fraction.

Afitness center has 2 membership plans one has a low dollar sign up fee of 15 dollars and costs 38 dollars per month to join. a second plan has a higher sign up fee of 78 dollars but a lower monthly fee of 31 dollars for what number of days of the month is the coat the same