Buktikan 1/(1+cos x)+1/(1-cos x) = 2 cosec^2 x.

Name: Buktikan 1/(1+cos x)+1/(1-cos x) = 2 cosec^2 x.
Uploaded: 2024-05-16T06:46:43
Duration: PT2M48.4S
Description: Buktikan 1/(1+cos x)+1/(1-cos x) = 2 cosec^2 x.