Question

Sin(8b+1)=cos(b+8)
In trigonometry

Answer 1

Explanation:

cos Acos B tan(A + B)=- sin A sin B cos Acos B tan A + tan B tan(A + B)=. 1 - tan A tan B. Divide top and bottom by cos A cos B. -. +. 1-. 8.

Missing: 8b+ ‎| Must include: 8b+