Question

how is 2sinxcosx = sin2x​

Answer 1

Answer:

Step-by-step explanation:

sin 2x = sin (x + x)

= sinx cosx + cosx sinx

= 2 sinx cosx

Answer 2

Step-by-step explanation:

sin(x+y)=sinx cosy + cosx siny

Replacing y by x ,we get:

sin2x=2sinx cosx

Thanks ❤