railway RRB JE (CBT I + CBT II) Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
सरल कीजिए: \(\frac{{\sin 3A}}{{\sin A}} + \frac{{\cos 3A}}{{\cos A}}\)
1
-2
2
2cos A
3
2sin A
4
4cos 2A
सरल कीजिए: \(\frac{{\sin 3A}}{{\sin A}} + \frac{{\cos 3A}}{{\cos A}}\)