Mark the Correct alternative in the following:

The value of is

Given expression,

Multiply and divide the expression with

[using the formula sin2θ =2 sin θ cos θ]

Multiply and divide the expression with 2

[using the formula sin2θ =2 sin θ cos θ]

Multiply and divide the expression with 2

[using the formula sin2θ =2 sin θ cos θ]

Multiply and divide the expression with 2

[using the formula sin2θ =2 sin θ cos θ]

Multiply and divide the expression with 2

[using the formula sin2θ =2 sin θ cos θ]

Multiply and divide the expression with 2

As

Hence answer is option D.