Question

3tan square 30 - tan square 60 +cosec 30 + tan 45 divided by cot square 45

Answer 1

Answer:

3×(1/√3)^2 - (√3)^2 + 2 + 1 / (1/√2)^2

3×1/3 - 3 + 2 + 1 /1/2

-3 +2 +1 × 2

=0