Question

sin 60 by cos square 45 - 3 Tan 30 + 5 cos 90

Answer 1

Check the attached picture....u'll get the answer..

Hope u'll get satisfy

Answer 2

Values of :

$sin \: 60 = \frac{ \sqrt{3} }{2} \\ \\ cos \: 45 = \frac{1}{ \sqrt{2} } \\ \\ tan \: 30 = \frac{1}{ \sqrt{3} } \\ \\ cos \: 90 = 0$
Substituting the values in the equation we will get the answer,

The answer is 0

hope it helps u ^-^