$$ secA(secA+tanA)(1-sinA)\over (cosec^2A-1)sin^2A$$ is equal to:

if 2sinθ + 2sin²θ = 2, then the value of 2 cos⁴θ + 2cos²θ is:

The value of sin 73⁰ + cos 137⁰ is:

if (1+sinα) (1-sinβ) (1+sinγ)= (1-sinα) (1-sinβ) (1-sinγ)=?

If p = cosec θ – cot θ and q = (cosec θ + cot θ)^-1 then which one of the following is correct?

In △ABC, right angle at B, if   $$tan\ A={1\over 2}$$, then the value of $$sinA(cosC+cosA)\over cosC(sin C-sinA)$$ is :

Find the value of sin (1920°)

The value of (tan²A+ cot²A-2)- sec²A cosec² A is: