# Math Help - Trigonometric Expression As Algebraic

1. ## Trigonometric Expression As Algebraic

Write the trigonometric expression as an algebraic expression having u and v.

sin[arcsin(u) - arccos(v)]

2. Originally Posted by magentarita
Write the trigonometric expression as an algebraic expression having u and v.

sin[arcsin(u) - arccos(v)]
Formula sin(a-b) that you should know

then $\sin(\arcsin(x))=\cos(\arccos(x))=x$

$\sin(\arccos(x))=\cos(\arcsin(x))=\sqrt{1-x^2}$

3. ## very good...

I thank you for your great help and tips.