1922 Evaluate the definite integral by expressing it in termsof u and evaluating the
Chapter 5, Problem 21(choose chapter or problem)
Evaluate the definite integral by expressing it in terms of \(u\) and evaluating the resulting integral using a formula from geometry.
\(\int_{x/3}^{\pi/2}\sin\theta\sqrt{1-4\cos^2\theta}\ d\theta;\quad u=2\cos\theta\)
Equation Transcription:
Text Transcription:
u
int_{pi/3}^{pi/2} sin theta sqrt{1 - 4cos^2 theta} d theta; u = 2 cos theta
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