Clear Filters
Clear Filters

Info

This question is closed. Reopen it to edit or answer.

Prove that Cos(4x) = 8cos^4 x - 8cos^2 x + 1

1 view (last 30 days)
Ali
Ali on 16 Jan 2023
Closed: Walter Roberson on 16 Jan 2023
Solve it please

This question is closed.

Answers (1)

Matt J
Matt J on 16 Jan 2023
Edited: Matt J on 16 Jan 2023
Ran in:
Use simplify. As a similar example,
syms x
simplify( 1 - 2*sin(x)^2 )
ans = 

This question is closed.

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!