Find the value of `√3 cosec 20° – sec 20°.`

If sin A + cosec A = 2, find the value of sin^2 A + "cosec"^2 A .

Find the value of sqrt(3)cosec20^(@)-sec20^(@)

If 5 cot theta =12 , find the value of : "cosec" theta + sec theta

A triangle ABC is right angled at B, find the value of (sec A . cosec C - tan A . cot C)/(sin B)

If tan 6 theta=p/q find the value of (1)/(2)(p cosec 2 theta-q sec 2 theta) terms of p and q.

Find the principal value of Cosec (2)

From the following figure, find the values of : (i) cos A (ii) cosec A (iii) tan^(2)A - sec^(2)A (iv) sin C (v) sec C (vi) cot^(2) C - (1)/(sin^(2)C)

If 10sin^4 alpha+15 cos^4 alpha=6, then find the value of 27 cosec^6 alpha+8sec^6 alpha.