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Find the Exact Value of the Expression If θ = g(θ)=cos⁡θg ( \theta ) = \cos \theta \quad

Question 54

Multiple Choice

Find the exact value of the expression if θ = 45°. Do not use a calculator.
- g(θ) =cos⁡θg ( \theta ) = \cos \theta \quad Find 12g(θ) 12 g ( \theta ) .


A) 12212 \sqrt { 2 }
B) −62- 6 \sqrt { 2 }
C) 626 \sqrt { 2 }
D) −122- 12 \sqrt { 2 }

Correct Answer:

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