Solved

Verify the Identity $\cot ^ { 2 } x - \cos ^ { 2 } x = \cot ^ { 2 } x \cos ^ { 2 } x$

Question 116

Essay

Verify the identity. $\cot ^ { 2 } x - \cos ^ { 2 } x = \cot ^ { 2 } x \cos ^ { 2 } x$

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