Find the Exact Value of the Expression If θ = $\mathrm { g } ( \theta ) = \cos \theta \quad$

question 298

Multiple Choice

Find the exact value of the expression if θ = 45°. Do not use a calculator.
- $\mathrm { g } ( \theta ) = \cos \theta \quad$ Find $12 \mathrm {~g} ( \theta )$ .

• A) \(12 \sqrt { 2 }\)
• B) \(- 6 \sqrt { 2 }\)
• C) \(6 \sqrt { 2 }\)
• D) \(- 12 \sqrt { 2 }\)

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