lim x-> pi/4 (cos x-sin 2x cos x)/(cos^2 2x)

Name: lim x-> pi/4 (cos x-sin 2x cos x)/(cos^2 2x)
Uploaded: 2023-12-20T02:54:08.000Z
Duration: PT6M2.033S
Description: lim x-> pi/4 (cos x-sin 2x cos x)/(cos^2 2x)