Question

The value of 3\4tansquare 30°-3sinsquare60°+cosecsquare45° is

Answer 1

3/4tan^2 30°-3sin^2 60°+cosec^2 45°

=3/4×(1/√3)^2 -3×(√3/2)^2+ 1^2

=9/4-9/4+1

=1

Hope it helps you