## A community for students. Sign up today

Here's the question you clicked on:

## mlk913 2 years ago find all values of Θ for which sinΘ = -sqrt (1-cos^2Θ) on (0,2pi)

• This Question is Open
1. seidi.yamauti

the fundamental law that is [sin²x + cos²x = 1] will help you that is the same as sin²x=1-cos²x

2. seidi.yamauti

$\sin ^{2}\theta + \cos ^{2}\theta = 1$ Very important formula

#### Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy