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Verify That Each Equation Is an Identity tan⁡x+cot⁡xtan⁡x−cot⁡x=1sin⁡2x−cos⁡2x\frac { \tan x + \cot x } { \tan x - \cot x } = \frac { 1 } { \sin ^ { 2 } x - \cos ^ { 2 } x }

Question 227

Essay

Verify that each equation is an identity.
- tan⁡x+cot⁡xtan⁡x−cot⁡x=1sin⁡2x−cos⁡2x\frac { \tan x + \cot x } { \tan x - \cot x } = \frac { 1 } { \sin ^ { 2 } x - \cos ^ { 2 } x }

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