# If #x# and #y# are acute angles and #sin(2x-20^@)=cos(2y+20^@)#, what is #tan(x+y)#?

##### 1 Answer

Dec 20, 2017

#### Explanation:

or

or

and as

or

or

and so

Hence,

Dec 20, 2017

or

or

and as

or

or

and so

Hence,