Question

sin60/cos45

+5cos90-cos30

Answer 1

$\boxed{\texttt{\fcolorbox{aqua}{pink}{HØLÁ !!}}}$

( sin 60° / cos 45° ) + 5 cos 90° - cos 30°

= [ ( √3/2 ) / ( 1/√2 ) ] + 5 ( 0 ) - ( √3/2 )

= √6/2 - √3/2

= ( √6 - √3 ) / 2

= $<b>[ √3 ( √2 - √1 ) ] / 2</b>$

Answer 2

Hope this help you mate!!