Jika 3 cos(A+pi/4)=cos(A-pi/4), buktikan bahwa tan A=1/2.

Name: Jika 3 cos(A+pi/4)=cos(A-pi/4), buktikan bahwa tan A=1/2.
Uploaded: 2024-01-08T21:57:00
Duration: PT5M23.968S
Description: Jika 3 cos(A+pi/4)=cos(A-pi/4), buktikan bahwa tan A=1/2.