UPSC NDA I 2014 Mathematics Paper
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Question : 45 of 120
Marks:
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Consider the following statements:
1. If 3θ is an acute angle such thats i n 3 θ = c o s 2 θ
2. One radian is the angle subtended at the center of a circle by an arc of the same circle whose length is equal to the diameter of that circle.
Which of the above statements is/are correct?
1. If 3θ is an acute angle such that
2. One radian is the angle subtended at the center of a circle by an arc of the same circle whose length is equal to the diameter of that circle.
Which of the above statements is/are correct?
[NDA I 2014]
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