engineering recuitment HPCL Junior Executive 2025 Mock Test Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

\(\frac{{\cos x}}{{1 + \sin x}} + \frac{{1 + \sin x}}{{\cos x}}\;\) is equal to:

1
2cos x
2
2sin x
3
2sec x
4
2cosec x
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