Homework Help: Trig

Posted by Jon on Friday, March 7, 2008 at 1:42pm.

P(-15/17,-8/17) is found on the unit circle. Find sin theta and cos theta.

P(-15/17,-8/17)= P(cos theta,sin theta)
sin=-8/17
cos=-15/17

Trig - drwls, Friday, March 7, 2008 at 1:59pm
The x side, y side and radius form a right triangle with side ratio 8:15:17

cos theta is x/r = -15/17 and sin theta is -8/17

So your answer is correct

Answer this Question

Related Questions

Geometry Please Help With One Multiple Choice - Write the ratios for sin A and ...
Geometry One multiple choice question! - Write the ratios for sin A and cos A. {...
Calculus - I wanted to confirm that I solved these problems correctly (we had to...
algebra - Can someone please help me do this problem? That would be great! ...
Trig(3 all with work) - 1)Find the exact value of cos 105 by using a half-angle ...
Algebra II - Multiple Choice Which expression is NOT equivalent to 1? (theta) ...
Trig - Which expression equivalent to: cos(theta + pi/2). A)cos theta B)-cos ...
trig - Hi, I need to find the domain and rnge of the following: 1. X= 1/2 (cos ...
Precalculus check answers help! - 1.) Find an expression equivalent to sec theta...
Precalculus check answers help! - 1.) Find an expression equivalent to sec theta...

For Further Reading

First Name:
School Subject:
Answer: