railway RRB Technician Grade 3 Mock Test 2024 Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If cosec α = √2 then evaluate \(\frac{{2{{\sin }^2}\alpha \; + \;3{{\cos }^2}\alpha }}{{cose{c^2}\alpha \; + \;{{\cot }^2}\alpha }}\).
1
5/6
2
5/12
3
5/3
4
5/2