SOLUTION: Evaluate without the use of a calculator: Sin 27

SOLUTION: Evaluate without the use of a calculator: Sin 27

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Question 962895: Evaluate without the use of a calculator: Sin 27
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Evaluate without the use of a calculator: Sin 27
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Start with:

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sin(27) = sin(45 - 18)
= sin(45)cos(18) - sin(18)cos(45)
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