Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities

1 + 2 tan2θ + 2 sin θ sec2θ, 0° < θ < 90°, બરાબર છે?

1
\(\frac{1-\sin\theta}{1+\sin\theta}\)
2
\(\frac{1+\cos\theta}{1-\cos\theta}\)
3
\(\frac{1+\sin\theta}{1-\sin\theta}\)
4
\(\frac{1-\cos\theta}{1+\cos\theta}\)

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