Jika cos alpha=-24/25, tan beta=9/40 pi/2<alpha<pi , dan

Name: Jika cos alpha=-24/25, tan beta=9/40 pi/2<alpha<pi , dan
Uploaded: 2024-05-10T03:29:08.000Z
Duration: PT3M23.2673S
Description: Jika cos alpha=-24/25, tan beta=9/40 pi/2