Evaluate the Following Expression $3 \sec ^ { 2 } y - 3 \cot ^ { 2 } \left( \frac { \pi } { 2 } - y \right)$

question 103

Multiple Choice

Evaluate the following expression.
$3 \sec ^ { 2 } y - 3 \cot ^ { 2 } \left( \frac { \pi } { 2 } - y \right)$

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Definitions:

Scrap

In a business context, scrap refers to waste material or unwanted items resulting from manufacturing processes, often recycled or discarded.

Return on Investment

A performance measure used to evaluate the efficiency of an investment or compare the efficiency of a number of different investments.

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Gross benefit refers to the total positive outcomes or advantages gained from an activity or investment before subtracting any costs.

Training Program Cost

The total expense incurred in the design, development, delivery, and evaluation of a training program.