Question: 2) Use the appropriate angle-sum formula to simplify the following expression:cos(25)cos(9)+sin(25)sin(9)
2) Use the appropriate angle-sum formula to simplify the following expression:cos(25)cos(9)+sin(25)sin(9)
Step by Step Solution
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock
