Use the Trigonometric Substitution U = a Tan $\theta$ , Where 0

question 230

Multiple Choice

Use the trigonometric substitution u = a tan $\theta$ , where 0 < $\theta$ < $\pi$ /2 and to simplify the expression $\sqrt { a ^ { 2 } + u ^ { 2 } }$ .

• A) - a sec \(\theta \)
• B) a sec \(\theta \)
• C) a tan \(\theta \)
• D) a sin \(\theta \)
• E) a csc\(\theta \)

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