If `y=sin^2 theta+cosec^2 theta, theta!=0,` then (A) `y=0` (B) `yle2` (C) `yge-2` (D) `yge2`

If y=sec^2theta+cos^2theta,\ theta!=0, then- a. y=0 b. ylt=2 c. ygeq-2 d. y > 2.

Prove that, sin^2 theta+ cosec^2 theta>=2

find the value sin^(2)theta*cosec theta =?

If y=2 sin^(2) theta + tan theta then (dy)/(d theta) will be-

Prove that cos^2 theta cosec theta+sin theta=cosec theta

Difference of slopes of the lines represented by the equation x^2(sec^2 theta - sin ^2 theta) -2xytan theta + y^2 sin^2 theta=0 is (A) 4 (B) 3 (C) 2 (D) None of these

What is the value of (tan theta cosec theta)^(2)-(sin theta sec theta)^(2) (a) -1 (b) 0 (c) 1 (d) 2

(1+tan theta+sec theta)(1+cot theta-cosec theta) = ? (a) -1 (b) 0 (c) 2

If sintheta+sin^2theta=1 , then cos^2theta+cos^4theta =? (a)-1 (b)0 (c)1 (d)2

If sintheta+cosec theta=2 , then sin^(2)theta+cosec ^(2)theta is equal to