Register
Use double-angle identities to write each expression, using trigonometric functions of θ instead of 4 θ. cos 4θ
12.4k views
4 votes
Use double-angle identities to write each expression, using trigonometric functions of θ instead of 4 θ.

cos 4θ

User Tokosh
by
5.4k points

1 Answer

4 votes

Answer:

cos4θ=8cos^4θ−8cos^2θ+1

Explanation:

User Emre Akman
by
4.7k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

What is the value of x? (-4) - x = 5
1/7 + 3/14 equivalent fractions
185g in the ratio 2:3
(3x1,000,000)+(3x100,000)+(2x100) what is this number written in standard form?
The function h = -t2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air. Assuming the boy lives at sea
Link Copied!