SOLUTION: The values of ....sin75. ...

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Question 999289: The values of ....sin75. ...


Answer by ikleyn(52908) About Me  (Show Source):
You can put this solution on YOUR website!
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The values of ....sin75. ...
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sin(75°) = cos(15°).

cos(15°) = sqrt%28%282+%2B+sqrt%283%29%29%2F2%29.

See the lesson  Trigonometric functions of half argument - Examples  in this site.