Buktikan cos^4 A-sin^4 A=1-2 sin^2 A.

Name: Buktikan cos^4 A-sin^4 A=1-2 sin^2 A.
Uploaded: 2024-04-26T20:52:00.000Z
Duration: PT2M24.5667S
Description: Buktikan cos^4 A-sin^4 A=1-2 sin^2 A.