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Find the Sine Ratio of θ in Standard Position Whose Terminal Arm Passes Through (4,3) - Geometry Mathematics 2

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प्रश्न

Find the sine ratio of θ in standard position whose terminal arm passes through (4,3)

योग

उत्तर

Terminal arm passes through (4,3).

\[\therefore r = \sqrt{x^2 + y^2} = \sqrt{4^2 + 3^2} = \sqrt{16 + 9} = \sqrt{25} = 5\]

Hence, 

\[\sin\theta = \frac{y}{r} = \frac{3}{5}\]
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2016-2017 (March) A

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