Question: Evaluate x 2 + 16 dx using trigonometric substitution. Then use Exercise 31 to verify that your answer agrees with the answer in Example
Evaluate ∫ √x2 + 16 dx using trigonometric substitution. Then use Exercise 31 to verify that your answer agrees with the answer in Example 3.

EXAMPLE 3 Hyperbolic Substitution Calculate x +16dx.
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Let x 4 tan 9 Then dx 4 sec 0 de and x 16 dx 16 sec 0 de 8 tan 0 sec 0 8 ... View full answer
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