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Quantitative Aptitude ( CCS) Mathematics - All Exams

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The value of sin 300° tan 330° sec 420° /cot 135° cos 210° cosec 315° is

√3 /2

-√3 /2

√2/3

-√2/3

Explanation:

= sin(360° – 60°) tan(360° – 30°) sec(360° + 60°) /cot(180° – 45°) cos(180° + 30°) cosec(360° – 45°)
= ( – sin 60° )( – tan 30°) sec 60° /(– cot 45°)(– cos 30°)(– cosec 45°)

By: Amit Kumar

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