cot^2 theta - 1/ sin^2 theta=-1...

`cot^2 theta - 1/ sin^2 theta=-1`

cot^2 theta - 1/ sin^2 theta=-1
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If cotx(1+sinx)=4m andcotx(1-sinx)=4n , prove that (m^2-n^2)^2=m n .
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Prove that (1+sin theta)/(csc theta-cot theta)-(1-sin theta)/(csc thet...
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If sin theta sin(2 alpha+theta)sin(4 alpha+theta),......sin(2(n-1)alph...
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(cos^(2)theta-cot^(2)theta+1)/(sin^(2)theta+tan^(2)theta-1)=cot^(2)the...
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(1+(1)/(tan^(2)theta))(1+(1)/(cot^(2)theta))=(1)/(sin^(2)theta-sin^(4)...
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(1)/(csc theta-cot theta)-(1)/(sin theta)=(1)/(sin theta)-(1)/(csc the...
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(tan theta)/((1+tan^(2)theta)^(2))+(cot theta)/((1+cot^(2)theta)^(2))=...
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If : sin^(2)theta+sin^(4)theta=1, "then": cot^(2)theta+cot^(4)theta=
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