buktikan identitas berikut. cos(2x)=cos^2(x)-sin^2(x)

Name: buktikan identitas berikut. cos(2x)=cos^2(x)-sin^2(x)
Uploaded: 2024-04-06T12:26:43
Duration: PT1M7.867S
Description: buktikan identitas berikut. cos(2x)=cos^2(x)-sin^2(x)