Question

The value of sin 15° cos 15° is:

विकल्प

• 1

• `1/2`

• `sqrt3/2`

• `1/4`

Answer 1

`1/4`

Explanation:

sin 15° cos 15° = `1/2` (2 sin 15° cos 15°)

= `1/2` (sin 30°)

`= 1/2 (1/2)`

`= 1/4`