Register

Simplify the expression by using a double-angle formula. cos²40-sin²40

Simplify the expression by using a double-angle formula. cos²40-sin²40
asked 99.5k views
0 votes
Simplify the expression by using a double-angle formula.
cos²40-sin²40

asked
User Utsav Dawn
by
8.5k points

1 Answer

6 votes

Answer:
\cos 80^(\circ)

Explanation:

Use the cosine double angle identity.

Simplify the expression by using a double-angle formula. cos²40-sin²40-example-1
answered
User InTry
by
8.2k 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
How do you estimate of 4 5/8 X 1/3
Link Copied!