The value of   $${cosθ+sin^6θ+3sin^2θ \ cos^2θ}\over cosecθsecθ(sinθ+cosθ-1)(sinθ+cosθ+1) $$

(sinθ+cosecθ)²+(cos θ+ sec θ)²=?

If a cot θ + b cosec θ= p and b cot θ + a cosec θ = q then p² -q² is equal to _____

Select the INCORRECT formula from the following options.

Find the exact value of cos 120⁰.

 if $$tan(A+B)=\sqrt { 3} \ $$ and $$ tan(A-B)= {1\over \sqrt { 3} \   }; 0^0<(A+B)<90^0;A>B, $$ then the value of A and B are

Evaluate the following.

sin 25° sin 65° – cos 25° cos 65°.

The value of $$\left({sin37^0cos53^0+cos37^0sin^0} \right)-\left({4cos^237^0-7+4cos^253^0\over tan^247^0+4-cosec^243^0} is \right)$$