Question

verify that:
sin 60° = 2 sin 30° cos 30°​

Answer 1

Answer:

I hope it will help you . ....

Answer 2

Step-by-step explanation:

sin 60 = 3^(1/2)/2 { sin 60 = 3^(1/2)/2 }

2sin 30 × cos30 { sin 30 = 1/2

= 2 ×(1/2) × 3^(1/2)/2 cos 30 = 3^(1/2)/2}

= 1 × 3^(1/2)/2

= 3^(1/2)/2

LHS = RHS hence prooved