Question

(iii) 2 sin 45° cos 45º = sin 90°.​

Answer 1

Answer:

that relation is true...

Step-by-step explanation:

sin45° = 1/√2 = cos45°

So,

2×1/√2×1/√2 = 1

= sin90°

Hope it helps u

Answer 2

Step-by-step explanation:

from LHS

= 2 × 1/2 ×2 ×1/2

= 1 × 1

= 1

= sin90°

proved