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Use the trigonometric substitution to rewrite the algebraic expression as a trigonometric function of θ, where .
Q6: Use the given values to evaluate (if
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Q85: Determine the quadrant in which an angle
Q138: Rewrite <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7896/.jpg" alt="Rewrite as
Q216: If x = 3 cot θ, use
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Q389: Find the reference angle <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7896/.jpg" alt="Find