Question

An equivalent expression for sin x is?(please answer with steps)​

Answer 1

Answer:

b

Step-by-step 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($\frac{1}{2}$ Θ )cos($\frac{1}{2}$Θ ) → b