Thursday
September 18, 2014

Homework Help: trig

Posted by Omar on Tuesday, October 11, 2011 at 9:19pm.

Find the exact value by using a half-angle identity. cos 22.5 degrees

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Trigonometry - use the appropriate trig identity (sum and difference, half angle...
trig - using the fact that 5pi/8=1/2(5pi/8) and the half angle identity for cos ...
trig - use a half-angle identity to find the exact value of tan 105 degrees.
Trig - Find the exact value of tan 5pi/12 using the half-angle identity.
MATH - 1.)Find the exact solution algebriacally, if possible: (PLEASE SHOW ALL ...
trig - find the exact value by using the appropriate half-angle identity: sin(...
TRIG/ALGEBRA - 1) Find the exact value. Use a sum or difference identity. tan (-...
Algebra II - Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)...
Algebra II - 1) Find the exact value of cos 105 degrees by using a half-angle ...
Trig - Use a half-angle identity to find the exact value for sec(x/2) if sinx...

Search
Members