(cos x+sin x)^2-(cos x-sin x)^2=4 sin x cos x

Name: (cos x+sin x)^2-(cos x-sin x)^2=4 sin x cos x
Uploaded: 2024-06-25T19:32:00.000Z
Duration: PT2M31.5S
Description: (cos x+sin x)^2-(cos x-sin x)^2=4 sin x cos x