Search 83,482 tutors
FIND TUTORS

Raf Z.'s Resources

Answers
Cos (7 pi/ 12) (answer)

The best way to answer this question is with the sum formula for cosine. cos (a + b) = cos a * cos b - sin a * sin b cos (7pi/12) = cos (3pi/12 + cos 4pi/12) = cos (pi/4 + pi/3) Good luck and let me know if you still need help!

Blogs

It is never too early nor too late to start preparing for the ACT. A higher ACT score means more chance at scholarships and the possibility for a higher scholarship award! Many people go into the ACT unprepared. Many people aren't sure how to even get started. If your school doesn't offer ACT guidance, you can find all the information you need at www.actstudent.org and register for the next test... read more