Write the Word or Phrase That Best Completes Each Statement $$\tan \left( \frac { \pi } { 2 } + x \right) = - \cot x$$

question 60

Essay

Write the word or phrase that best completes each statement or answers the question.
Establish the identity.
- $$\tan \left( \frac { \pi } { 2 } + x \right) = - \cot x$$

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Definitions:

Discounters

Retailers or sellers that offer goods and services at lower prices by reducing overhead costs and margins, often leading to high volume sales.

Misery Index

An economic indicator calculated by adding the unemployment rate to the inflation rate, aiming to measure the health of an economy.

Unemployment Rate

This measures the percentage of the labor force that is jobless and actively seeking employment.

Inflation

The velocity at which prices for various goods and services climb, which in turn diminishes the purchasing power.