Register
Trig: Use a half angle formula to find the exact value of the expression? cos(5pi/12)
26.5k views
0 votes
Trig: Use a half angle formula to find the exact value of the expression?

cos(5pi/12)

User Joe Waller
by
6.4k points

1 Answer

4 votes
I believe that the correct answer would be 0.999739299
5 * 3.14 = 15.7
15.7/12 = 1.308333333
cos(1.308333333)
0.999739299
User Ben Reser
by
5.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.3m questions

8.4m answers

Other Questions

What is the least common denominator of the four fractions 20 7/10 20 3/4 18 9/10 20 18/25
What is 0.12 expressed as a fraction in simplest form
Solve using square root or factoring method plz help!!!!.....must click on pic to see the whole problem
What is distributive property ?
What is the measure of xyz
Link Copied!