જો \(\rm \tan \theta=\frac {2}{7}\) હોય, તો \(\rm \frac{4\cos \theta-7\sin \theta}{4\cos \theta+7\sin \theta}\)ની કિંમત શોધો.

1
\(\frac{3}{2}\)
2
\(\frac{1}{2}\)
3
\(\frac{4}{5}\)
4
\(\frac{1}{3}\)

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