Write the expression as the sine, cosine, or tangent of an angle.
sin 9x cos x - cos 9x sin x

Step-by-step explanation:

Given : Expression

To write : The given expression as the sine, cosine, or tangent of an angle?

Solution :

The given expression is in the form

Using trigonometric identity,

Substituting, A=9x , B=x

Therefore, The given expression is in the sin form sin(8x).

a 270° rotation about point p says on e d g e n u it y (had to space it out because it says it's a misspelling so i couldn't submit it