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SSC CGL 2019 PYQ — Question 56

SSC CGL - 7th June 2019 - Shift 3 • Quantitative Aptitude • Q56

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2tan(30°)/(1 - tan230°) = ?

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Correct answer: A

Explanation

The correct answer is Option 1 i.e. √3

⇒ 2tan(30°)/(1 - tan230°)

(tan30o = 1/√3)

⇒ (2/√3)/(1 - (1/√3)2)

⇒ (2/√3)/(2/3)

⇒ √3