Tunjukkan kebenaran identitas trigonometri berikut. cos

Name: Tunjukkan kebenaran identitas trigonometri berikut. cos
Uploaded: 2024-07-16T13:21:43
Duration: PT1M25.433S
Description: Tunjukkan kebenaran identitas trigonometri berikut. cos x/(sin^2 x - 1)=-secan x