In Exercises 130 and 131, use the trigonometric substitution to write the algebraic
Chapter 7, Problem 131(choose chapter or problem)
In Exercises 130 and 131, use the trigonometric substitution to write the algebraic expression as a trigonometric function of \(\theta\), where \(0\ <\ \theta\ <\ \pi/2\).
\(\sqrt{x^{2}-49},\ x=7 \sec \theta\)
Text Transcription:
theta
0 < theta < pi/2
sqrtx^2 -49, x=7 sec theta
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