Question

(ii)
cos 30° + sin 60°/
1+ sin 30° + cos 60°
= cos 30°
​

Answer 1

Step-by-step explanation:

( cos30° + sin60° ) / ( 1+ sin30° + cos 60°)

= (√3/2 +√3/2)/(1+ 1/2+1/2)

=( 2√3/2) /(4/2)

= √3/2

= cos30° ( proved)