" (iii) "cosec^(4)theta-cosec^(2)theta=cot^(4)theta+cot^(2)theta

cosec^(2)theta=1+cot^(2)theta

cosec^(2)theta-cot^(2)theta-1

csc^(6)theta-cot^(6)theta=1+3csc^(2)theta cot^(2)theta

Prove each of the following identities : '(i) sin^(2)theta + cos^(4) theta = cos^(2) theta + sin^(4) theta (ii) "cosec"^(4) theta - "cosec"^(2) theta = cot^(4) theta + cot^(2) theta

cosec^(6)theta-cot^(6)theta-3cot^(2)theta.cosec^(2)theta=?

cosec^(4)theta+cot^(2)theta+cosec^(2)theta)"=

If cosec^(6) theta - cot^(6) theta = a cot^(4) theta + b cot^(2) theta + c then a+b+c=

sqrt(cosec^(2)theta-cot^(2)theta) is:

Prove that cot^(4)theta+cot^(2)theta="cosec"^(4)theta-"cosec"^(2)theta