Question

q.1)sin60°/cos square45° + 5cos90° - cot 30°

Answer 1

this attachment have your ques answer

Answer 2

sin60=√3/2
cos square(45)=1/2
cos 90=0
cot30=√3

now by substituting in the question ,we get

√3+0-√3

0

I hope it will help u:)