Simplify the Expression Algebraically $3 \cos ( \pi - \theta ) + 3 \sin \left( \frac { \pi } { 2 } + \theta \right)$

question 107

Multiple Choice

Simplify the expression algebraically.
$3 \cos ( \pi - \theta ) + 3 \sin \left( \frac { \pi } { 2 } + \theta \right)$

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Definitions:

Consumer Price Index

A tool that measures the typical fluctuation across time in the costs faced by urban shoppers for a specified mix of consumer goods and services.

GDP Deflator

A measure of the price level of all new, domestically produced, final goods and services in an economy, used to adjust nominal GDP to real GDP.

Substitution Bias

A distortion in the Consumer Price Index due to changes in consumer purchase behavior or product substitutions.

Introduction of New Goods

The process through which new products are developed and brought to the market, influencing consumer choice and potentially market structures.