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NDA Math Vector Algebra

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Question : 11

Total: 101

Let

be two unit vectors such that |

|<2. If 20 is the angle between

, then which one of the following is correct?

0<sin‌θ<1 only
−‌
1
2
<sin‌θ<‌
1
2
only
−1<sin‌θ<0 only
−1<sin‌θ<1

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