If alpha,beta are roots of the equation ...

If `alpha,beta` are roots of the equation `6x^(2) + 11x + 3 = 0` then :

A

both `cos^(-1) alpha` and `cos^(-1)beta` are real.

B

both `cosec^(-1) alpha` and `cosec^(-1)beta` are real.

C

both `cot^(-1) alpha` and `cot^(-1)beta` are real.

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:

C

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