Question

(iv) sin 59° + COS 56
If 0° < 0 < 25°, prove that cos (65° + ) - sin (25° - 0) = 0.
Prove that : sin.(50° + 0)
sin (50° + 0) - cos (40° - 0) = 0.​

Answer 1

I am not too sure but 12 sin cos is the answer hope it helps