cosec(-30°) =___________ A. -2 B. 2 C. 2/√3 D. -2/√3 This question

cosec-30deg-a-2-b-2-c-2-3-d-2-3-this-question

cosec(-30°) =___________

A. -2

B. 2

C. 2/√3

D. -2/√3

This question was posed to me in an interview for job.

The question is from Trigonometric Functions topic in portion Trigonometric Functions of Mathematics – Class 11

The correct choice is A. -2

The explanation: We know, cosec(-x) = cosec x

So, cosec(-30°) = -cosec 30°=-2.