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If tan θ =20/21, show that (1-sinθ+cosθ) /(1+sinθ+cosθ)= 3/7

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asked Feb 15, 2018 in Mathematics by sforrest072 (157,439 points) ● 63 ● 452 ● 1320

If tan θ =20/21, show that (1-sinθ+cosθ) /(1+sinθ+cosθ)= 3/7

If tan theta =20/21, show that (1-sin theta+cos theta) /(1+sin theta+cos theta)= 3/7

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answered Feb 15, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 24
selected Feb 15, 2018 by sforrest072
 
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Let x be the hypotenuse By applying Pythagoras we get

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asked Feb 15, 2018 in Mathematics by sforrest072 (157,439 points)

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