cos 8A.cos 5A - cos 12A.cos 9 A ÷
sin 8 Acos 5 A+cos 12 A.sin 9 A
Answers
Answered by
1
Answer:
cos 8A.cos 5A - cos 12A.cos 9 A ÷
Step-by-step explanation:
cos 6u= cos 32 cos 6u- 48 cos^4 u + 18 cos^2u-1
Okay
It will help me
Similar questions