Verify That the Equation Is an Identity $$\tan \left( \frac { \pi } { 2 } + x \right) = - \cot x$$

question 112

Essay

Verify that the equation is an identity.
- $$\tan \left( \frac { \pi } { 2 } + x \right) = - \cot x$$

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Jefferson

Thomas Jefferson, the third President of the United States (1801–1809), principal author of the Declaration of Independence (1776), and one of the most influential Founding Fathers for his promotion of the ideals of republicanism in the United States.

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