Question

An equivalent expression for sin x is?

(please answer with steps)​

Answer 1

b

Explanation:

Using the trigonometric identity

sin2x = 2sinxcosx

That is the angle on the right side is half the angle on the left, thus

sinΘ = 2sin(
`(1)/(2)` Θ )cos(
`(1)/(2)`Θ ) → b