SOLUTION: Withot using table find the value of (7 sin 30\degree cos 60\degree )

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Question 828027:
Withot using table find the value of
(7 sin 30\degree cos 60\degree )
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Withot using table find the value of
(7 sin 30\degree cos 60\degree )
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7*sin(30) = 7*(1/2) = 7/2
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cos(60) = 1/2
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In general: sin(x) = cos(90-x)
These are complementary functions.
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Cheers,
Stan H.