Question

2 sin 45 cos 45 is equal to sin 90

Answer 1

Step-by-step explanation:

here is your answer with proper solution

Answer 2

Step-by-step explanation:

L.H.S. = 2 sin 45° cos 45° = 2 × (1/√2) × (1/√2) = (2 × 1/2) = 1

R.H.S. = sin 90° = 1 L.H.S. = R.H.s.