SOLUTION: Determine the exact value of the expression without using a calculator: sin(π/12) - sin(17π/12)

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Question 1103453: Determine the exact value of the expression without using a calculator:
sin(π/12) - sin(17π/12)
Answer by greenestamps(13200) About Me  (Show Source):
You can put this solution on YOUR website!


sin%28pi%2F12%29+=+%28sqrt%286%29-sqrt%282%29%29%2F4


Note the conversions there use
sin%28x-pi%29+=+-sin%28x%29 and
sin%28x%29+=+cos%28%28pi%2F2%29-x%29
So