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If the angle A of a triangle A B C is gi...

If the angle `A` of a triangle `A B C` is given by equation `5 cos A+3=0,` then `sin A` and `tan A` are the roots of the equation

A

`15 x^(2)-8 x-16=0`

B

`15 x^(2)-8 sqrt(2) x+16=0`

C

`15 x^(2)-8 x+16=0`

D

`15 x^(2)+8 x-16=0`

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HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
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