Question

4tan^2 45° + 2 cos^2 30° - 5/3 sin^2 60°

Answer 1

hey mate we know that

tan 45 degree is 1

cos 30 degree is √3/2

sin 60 degree is √3/2

put there value we get

4*(1)^2+2*(√3/2)^2-5/3*(√3/2)^2

4+3/2-5/4

taking LCM as 4 we get

16+6-5/4

22-5/4

17/4