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Earn +20 ptsQ: What is the cos of 5 pi over 6?
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What is the integral from 0 to pi over 6 sine 2x dx?
Integral from 0 to pi 6sin2xdx: integral of 6sin2xdx (-3)cos2x+c. (-3)cos(2 x pi) - (-3)cos(2 x 0) -3 - -3 0
What is the circumference of a circle with a diameter of 6?
Since circumference equals pi times the diameter, if the diameter of a circle is 6, then its circumference is going to be pi times 6 or 6 pi.
What is 1 over 2 plus 2 over 6?
5/6
Is 6 over 5 irrational?
No, 6 over 5 is not irrational. Irrational numbers cannot be expressed as a ratio of two integers. In this case, 6 over 5 simplifies to the rational number 1.2, which can be expressed as a ratio of 6 to 5.
What is the exact value of cos 15?
It is: cos(15) = (sq rt of 6+sq rt of 2)/4
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