Homework Help with trig ident

[JoshB645]

Homework Statement

Find the value of cos(arcsin u + arccos v)?

Homework Equations

The Attempt at a Solution

 

[kidmode01]

You're going to have to be a little more specific, what are u and v? Are you looking to simplify this expression? As well, when you preview a post it adds the template to your post again, so remember to delete it.

 

[icystrike]

Homework Statement

Find the value of cos(arcsin u + arccos v)?

i suppsoe it should be a full stop instead question mark,
btw Welcome Joshua to PF

I think you have not written the whole question.

 

[Дьявол]

Hello! Use cos(A+B)=cosAcosB-sinAsinB

Then, use:
cos[arcsin(x)]=√1-x²
sin[arccos(x)]=√1-x²