Answered

Write sin3xCos2x + cos3xsin2x as a single trigonometric function

Sagot :

Luanaid
For any angles formula is:
sin(a+b)=sinαcosβ+cosαsinβ
In our exercise :
α=3x β=2x
sin3xcos2x+cos3xsin2x=sin(3x+2x)=sin(5x)
Result is : sin5x