Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

    
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

778,027 users

Establish the identity.

0 votes

Establish the identity.

asked Jan 27, 2015 in PRECALCULUS by anonymous

1 Answer

0 votes

Step 1:

The expression is image.

Using sum formula of sine function image.

image

image.

Solution:

image.

answered Jan 27, 2015 by Sammi Mentor
...