The value of when (x≠0).

The value of  .

If  tan²θ +cot²θ  = 2, then what is the value of  2^{secθ cosecθ}?

If θ, then what is the value of sec θ sin θ?

A tower standing on a horizontal plane subtends a certain angle at a point 160 m apart from the foot of the tower. On advancing 100 m towards it, the tower is found to subtend and angle twice as before. The height of the tower is

If 5cosθ – 12sinθ=0 then value of