Question Library

Browse our collection of questions across various subjects

Mathematics Easy
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If x = a cos θ + b sin θ and y = a sin θ – b cos θ,…

CDS Elementary Mathematics 2017 CDS 2017
Mathematics Easy
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If 7 sin² x + 3 cos² x = 4, 0 < x < 90°, then what is the value…

CDS Elementary Mathematics 2017 CDS 2017
Mathematics Easy
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What is (cos⁴ A – sin⁴ A) / (cos² A – sin² A) equal to?

CDS Elementary Mathematics 2017 CDS 2017
Mathematics Easy
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What is the value of sin x [ 1 / (1 + cos x) + 1 / (1 – cos…

CDS Elementary Mathematics 2017 CDS 2017
Mathematics Easy
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What is the value of θ which satisfies the equation cos θ + tan θ = 1?

CDS Elementary Mathematics 2017 CDS 2017
Mathematics Easy
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If x sin θ = y cos θ = 2x tan θ / (1 – tan² θ), then what is…

CDS Elementary Mathematics 2017 CDS 2017
General Knowledge Easy
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SWAYAM is

CDS GK 2018 CDS 2018
Mathematics Easy
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What is the minimum value of 9 tan²θ + 4 cot²θ ?

CDS Elementary Mathematics 2017 CDS 2017
General Knowledge Easy
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Ace athlete Neeraj Chopra is an accomplished player in

CDS GK 2018 CDS 2018