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Mathematics 21 Online
OpenStudy (anonymous):

Find the exact value of the trigonometric function at the given real number: sin 5pi/6

OpenStudy (unklerhaukus):

|dw:1410150184714:dw|

OpenStudy (unklerhaukus):

|dw:1410150223721:dw|

OpenStudy (unklerhaukus):

sin theta = opposite / hypotenuse

OpenStudy (unklerhaukus):

for a unit circle, the hypotenuse is 1

OpenStudy (unklerhaukus):

|dw:1410150410827:dw|

OpenStudy (unklerhaukus):

The sine of both these triangles is the same |dw:1410150478302:dw|

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