\csc ^{4} \theta-\csc ^{2} \theta=\cot ^{4} \theta+\cot ^{2} – InterviewSolution

1.	\csc ^{4} \theta-\csc ^{2} \theta=\cot ^{4} \theta+\cot ^{2}
Answer» cosec⁴θ - cosec²θcosec²θ ( cosec²θ - 1)(1 + cot²θ) cot²θcot²θ + cot⁴θProved

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