How to know that cos ((4/3) pi) = -1/2? How can the length of the adjacent be negative - Quora
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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The volume of a sphere is given by V= 4/3 pi R^3 where R is the ra
Prove that sin^(4) pi/8+ sin^(4) 3pi/8 + sin^(4) 5pi/8 + sin^(4) 7pi/8
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calculus - Show that the volume of a sphere of radius $r$ is $V = \frac{4}{3} \pi r^3$ - Mathematics Stack Exchange
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Plot the points with polar coordinates (4, \pi/3)\ and\ (-6, -11\pi/6). | Homework.Study.com
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Volume of Spheres. - ppt download
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Solved The terminal points for t = 0, pi/6, pi/4, pi/3, and | Chegg.com
![What is the value of [math]\sin \frac{4\pi }{3}[/math]? - Quora](https://qph.cf2.quoracdn.net/main-qimg-fff8ebc1e1d97c6ac2af249461d718a7.webp "What is the value of [math]\sin \frac{4\pi }{3}[/math]? - Quora")