Question

Write the trigonometric expression as an algebraic expression in
u and v. Assume that the variables u and v represent positive real numbers.


\[\cos(\sin^{−1}(u)-\tan^{−1}(v))\]

Answer 1

okay so what exactly are we doing here

Answer 2

Im unsure myself =_=

Answer 3

you can always eliminate sin and cos with complex versions or power series