Question

3 sin 3 B + 2 cos (2 B + 5)
2 cos 3 B – sin (2 B - 10)
when B = 20°​

Answer 1

Answer:3sin60°+2cos(45°)/2cos60°-sin30

3[√3/2]+2[1/2] /2[1/2] [√3/2]

3√3/2+√2 /3√3+2√2

hope it helps u

plz mark as brainlaist answer

Step-by-step explanation: