Register

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

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

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
User InTry
by
8.2k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

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!