In Exercises 1924, use Walliss Formulas to evaluate the integral
Chapter 8, Problem 21(choose chapter or problem)
In Exercises 19–24, use Wallis’s Formulas to evaluate the integral.
\(\int_{0}^{\pi / 2} \cos ^{7} x\ d x\)
Equation Transcription:
Text Transcription:
integral _0 ^pi/2 cos^7 x dx
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