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The roots of the equation 8x^(2)+22x+5=0...

The roots of the equation `8x^(2)+22x+5=0` are `thetaandphi`. Then

A

(a) `sin^(-1)thetaandsin^(-1)phi`, both the real

B

(b) `sec^(-1)thetaandsec^(-1)phi`, both the real

C

(c) `tan^(-1)thetaandtan^(-1)phi`, both the real

D

(d) None of these

Text Solution

Verified by Experts

The correct Answer is:
C
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