railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
जर \(\frac{{\sin \theta }}{{\cos \theta }} + \frac{{\cos \theta }}{{\sin \theta }}\; = \;2\) 0 सह < θ < 90°, तर θ किती आहे?
1
30°
2
४५°
3
६०°
4
75°