prove-that-0-pi-2-4-sin-2-x-dx-lt-pi-14-4-

Question Number 70150 by necxxx last updated on 01/Oct/19

p r o v e t h a t \int_{0}^{\frac{π}{2}} \sqrt{(4 - {s i n}^{2} x)} d x < \frac{π \sqrt{14}}{4}

Commented by necxxx last updated on 01/Oct/19

p l e a s e h e l p

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