The value of $$(x^{b+c})^{b-c}. (x^{c+a})^{c-a}.(x^{a+b})^{a-b}$$ when (x≠0).

If 3 sin x + 5cosx = 5 then what is the value of (3cosx - 5sinx)

The value of  $${cosec^2} 18° -{1\over cot^272°}$$.

The value of $$ {3sin30°-4sin^{3}30°}$$

The value of $$ cot\ {π\over 20}\ cot{3π\over 20} \cot{5π\over20}\ cot{7π\over 20}\ cot {9π\over20}$$ is:

$$\sqrt{ {1-sinA\over1+sinA}}$$ is equal to ?

If tan (11 θ)=cot (7θ), then what is the value of sin²(6 θ) + Sec² (9 θ) + cosec²(12 θ)?

If sec x + cos x = 2, then the value of sec16 x + cos16 x will be-