railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

2sinθ  - 8cos2θ+ 5 = 0, ಅಲ್ಲಿ 0° < θ < 90°.  tan 2θ + cosec 2θ ನ ಮೌಲ್ಯವನ್ನು ಕಂಡುಹಿಡಿಯಿರಿ.

1
5/√3
2
5/3
3
4/√3
4
7/√3
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