Let \overrightarrow{a} and \overrightarrow{b} be two unit vectors such that |\overrightarrow{a}-\overrightarrow{b}|< 2. If 20 is the angle between \overrightarrow{a} and \overrightarrow{b}, then which one of the following is correct? [NDA-I 2022]

Correct Answer is : −1<sinθ<1

-\frac{1}{2}< \sin \theta< \frac{1}{2} only

UPSC NDA I 2022 Mathematics Solved Paper

Question : 100 of 120

Marks: +1, -0

Let

→

and

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be two unit vectors such that |

→

−

→

|<2. If 20 is the angle between

→

and

→

, then which one of the following is correct?

[NDA-I 2022]

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