SOLUTION: cos a +sin a/1+tan a =cos a
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Question 939702: cos a +sin a/1+tan a =cos a
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
cos a +sin a/1+tan a =cos a
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Cross-multiply::
cos(a)+sin(a) = cos(a)(1+tan(a))
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cos(a)+sin(a) = cos(a)+sin(a)
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Cheers,
Stan H.
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