Question

What is `\sin ( 30^{\circ} ) + \cos ( 45^{\circ} )`?

Answer 1

`sin30^o +cos45^o=(1+sqrt2)/2`

Explanation:

As `sin30^o=1/2` and `cos45^o=1/sqrt2=sqrt2/2`

`sin30^o +cos45^o=1/2+sqrt2/2=(1+sqrt2)/2`