jeepaig8ONidog jeepaig8ONidog

22-11-2016
Mathematics

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True or false.

The tangent of an angle is equal to the ratio of its sine divided by its cosine. ...?

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MissPhiladelphia MissPhiladelphia

22-11-2016

The answer for this question is TRUE.

By definition:
tga = AB / OA
sina = AB / OB
cosa = OA / OB

sina/cosa = AB/OB : OA/OB = AB/OB OB/OA = AB/OA = tga

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