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  • If tan a= x/ythen find sin a and cos a​

If tan a= x/ythen find sin a and cos a​

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\tan a =\frac{x}{y }\\\\ \sin a = \frac{x}{\sqrt{x^2+y^2}}\\\\ \cos a = \frac{y}{\sqrt{x^2+y^2}}

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Ravindra Pindel

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