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If an angle A of a triangle ABC is given...

If an angle A of a triangle ABC is given by `3 tanA+1=0`, then sinA and cosA are the roots of the equation

A

`10x^(2)-2sqrt(10)x+3=0`

B

`10x^(2)-2sqrt(10)x-3=0`

C

`10x^(2)+2sqrt(10)x+3=0`

D

`10x^(2)+2sqrt(10)x-3=0`

Text Solution

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The correct Answer is:
D
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VK JAISWAL-COMPOUND ANGLES-Exercise-5 : Subjective Type Problems
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