Question

If θ = 45°, then what is the value of 2 sec^2θ + 3 cosec°2θ ? (2014)​

Answer 1

2 sec^2θ + 3 cosec^2θ = 2 sec^2 45° + 3 cosec^2 45°

= 2(2–√)^2 + 3 (2–√)^2 = 4 + 6 = 10