railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
If \(\frac{{sec\theta + tan\theta }}{{sec\theta - tan\theta }} = 5\) and θ is an acute angle, then the value of \(\frac{{3{{\cos }^2}\theta + 1}}{{3{{\cos }^2}\theta - 1}}\) is:
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4
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3
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4
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