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

The numerical value of $$ {1\over 1+cot2}+{3\over 1+tan^2θ}+2sin^2θ$$ will be 

Which of the following values suits for A to make the equation  $$ {{ATan62°Sec 28°Cot 38°}\over {Cosec62°Tan11°}}=1$$ ?

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

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

The value of sin 73⁰ + cos 137⁰ is:

Find the value of sin (1920°)

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