railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
যদি \(\rm \tan \theta=\frac {2}{7}\) , তাহলে \(\rm \frac{4\cos \theta-7\sin \theta}{4\cos \theta+7\sin \theta}\) এর মান বের করুন।
1
\(\frac{3}{2}\)
2
\(\frac{1}{2}\)
3
\(\frac{4}{5}\)
4
\(\frac{1}{3}\)