Write the Expression in Terms of Sine and Cosine, and Simplify

question 128

Multiple Choice

Write the expression in terms of sine and cosine, and simplify so that no quotients appear in the final expression.
- $\frac { \sin ^ { 2 } x - 1 } { \cos ( - x ) }$

• A) \(- \cos x\)
• B) \(\sin x\)
• C) \(- \sin x\)
• D) \(\cos x\)

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Definitions:

Quantity

The amount or number of a material or product.

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A report that compares budgeted amounts to actual amounts for revenues, expenses, and other financial parameters to measure the financial performance of a company.

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Estimated financial figures used for planning purposes, outlining the expected revenues, expenses, and other financial transactions for a future period.

Actual Amounts

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