Register

What is the exact value of cos (-pi/2)

What is the exact value of cos (-pi/2)
asked 107k views
4 votes
What is the exact value of cos (-pi/2)

asked
User Corey Farwell
by
7.9k points

1 Answer

1 vote

Answer:

0

Explanation:

-π/2 on a unit circle is the same as 3π/2 or 270°. The cosine of that angle is 0.

answered
User BWG
by
7.8k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.

Categories

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
Link Copied!