Question: Determine the values of the given functions as indicated. Find cos15 by using 15 = 60 45.

Determine the values of the given functions as indicated.

Find cos15° by using 15° = 60° − 45°.

Step by Step Solution

3.40 Rating (156 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

We can use the difference formula for cosine to write cos 15 c... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Basic Technical Mathematics Questions!