SOLUTION: What's the Exact Value for Sin 13π/12 degrees ? Without using a calculator
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Question 577644: What's the Exact Value for Sin 13π/12 degrees ? Without using a calculator
Found 3 solutions by josmiceli, KareemM, Alan3354:
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
=
is in the 3rd quadrant where
the sine is negative
In degrees,
degrees
The answer is
( I don't have a calculator )
Answer by KareemM(1) (Show Source): You can put this solution on YOUR website!
Thank you sir, God Bless you
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
--------
-sin(15) =~ -0.258819
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For the exact value:
-sin(15) = -sin(30/2)
=
=
=
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