A circle has a chord that goes from (2 pi)/3 to (7 pi) / 8 radians on the circle. If the area of the circle is 8 pi , what is the length of the chord? | Socratic
![Sketch the graph of y = - 2 sin (x - pi / 2) + 3 over the interval [0, 2 pi] by comparing it to the graph of y = sin x. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/fig_52a4944619864405640501.png "Sketch the graph of y = - 2 sin (x - pi / 2) + 3 over the interval [0, 2 pi] by comparing it to the graph of y = sin x. | Homework.Study.com")
Sketch the graph of y = - 2 sin (x - pi / 2) + 3 over the interval [0, 2 pi] by comparing it to the graph of y = sin x. | Homework.Study.com
Sara Venkatraman on Twitter: "What I think is especially striking is that the sum over just the odd integers (shown below) is (pi^2)/8, which is more than half of (pi^2)/6 ... https://t.co/0Ww3c3SxVK" /
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![real analysis - Prove that, $\cos x\ge1-{2x\over\pi}\ \forall x\in[0,{\pi\ over2}]$ - Mathematics Stack Exchange](https://i.stack.imgur.com/wunIp.png "real analysis - Prove that, $\cos x\ge1-{2x\over\pi}\ \forall x\in[0,{\pi\ over2}]$ - Mathematics Stack Exchange")
real analysis - Prove that, $\cos x\ge1-{2x\over\pi}\ \forall x\in[0,{\pi\ over2}]$ - Mathematics Stack Exchange
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Trigonometry Angles--Pi/2 -- from Wolfram MathWorld
![graph - Plotting with a custom scale [0 π/2 π 3π/2 2π] in Julia - Stack Overflow](https://i.stack.imgur.com/WTNjW.png "graph - Plotting with a custom scale [0 π/2 π 3π/2 2π] in Julia - Stack Overflow")
graph - Plotting with a custom scale [0 π/2 π 3π/2 2π] in Julia - Stack Overflow
A circle has a chord that goes from ( 3 pi)/2 to (7 pi) / 4 radians on the circle. If the area of the circle is 99 pi , what is the length of the chord? | Socratic
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Why does the angle become pi over 2 if its undefined I don't get it : r/askmath
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Graphing Trigonometric Functions | CK-12 Foundation
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