Saturday

October 25, 2014

October 25, 2014

Posted by **Lauren** on Sunday, November 13, 2011 at 3:24pm.

**Answer this Question**

**Related Questions**

Math- Trig - 1. Determine the exact value of cos^-1 (pi/2). Give number and ...

trig - use a sum or difference identity to find an exact value cos pie/12

TRIG/ALGEBRA - 1) Find the exact value. Use a sum or difference identity. tan (-...

pre-calculus - use a sum or difference formula to find the exact of the ...

math - Use the appropriate sum/difference formula to find the exact value of cos...

Trig - If cosx = 10/19 an pi < x < 2pi, find the exact value of cos x/2 ...

Trigonometry - Hi, I need help with this question: Use the addition and ...

Trig - Find the exact value of: cos315. I have to use the sum angle formula cos(...

trig - Use a half-angle formula to find the exact value of cos 5ð/12

Trig - Use sum and difference identitites to find the exact value of co 15 ...