Question: Find the exact value of expression. Do not use a calculator. sin 270 + cos(-180)

Find the exact value of expression. Do not use a calculator.

sin 270° + cos(-180°)

Step by Step Solution

3.32 Rating (170 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

sin ... 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 Precalculus Questions!