Tunjukkan bahwa: cos (90-a)/csc (180-a)=sin^2 a

Name: Tunjukkan bahwa: cos (90-a)/csc (180-a)=sin^2 a
Uploaded: 2024-02-25T05:11:43
Duration: PT1M41.0133S
Description: Tunjukkan bahwa: cos (90-a)/csc (180-a)=sin^2 a