Question

2sin60.sin90+cos60.cos0

Answer 1

sin60=√3/2
sin90=1
cos60=1/2
cos0=1
( 2 × √3/2 × 1 ) + ( 1/2 × 1 )
= √3 + 1/2
= ( 2√3 + 1 )/2

Answer 2

$\textbf{Hey!!!}$

$\textbf{Refer to the attachment above for your solution}$

$\textbf{Hope it helps!!!!}$