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Question: Answered & Verified by Expert
If $\theta$ is the angle of a regular pentagon, then $|(\sin \theta) \hat{i}+(\cos \theta) \hat{j}+(\tan \theta) \hat{k}|=$
MathematicsVector AlgebraAP EAMCETAP EAMCET 2020 (07 Oct Special)
Options:
  • A $|\sec 18|$
  • B $|\operatorname{cosec} 18|$
  • C $-\sec 18$
  • D cosec 108
Solution:
2819 Upvotes Verified Answer
The correct answer is: $|\operatorname{cosec} 18|$
No solution. Refer to answer key.

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