If $$ an heta=\frac{20}{21} $$, show that $$ \frac{1-\sin heta+\cos heta}{1+\sin heta+\cos heta}=\frac{3}{7} $$. (OR)

Question

If $$ 	an 	heta=\frac{20}{21} $$, show that $$ \frac{1-\sin 	heta+\cos 	heta}{1+\sin 	heta+\cos 	heta}=\frac{3}{7} $$. (OR)

Bright Ryan · Accepted Answer

$$ \frac{1 - \sin \theta + \cos \theta}{1 + \sin \theta + \cos \theta} = \frac{3}{7} $$

If \( \tan \theta=\frac{20}{21} \), show that \( \frac{1-\sin \theta+\cos \theta}{1+\sin \theta+\cos \theta}=\frac{3}{7} \). (OR)