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If ABCD, is a cycling quadrilateral such...

If ABCD, is a cycling quadrilateral such that `tanA-5=0and 5cosB+3=0,` then the quadratic equation whose roots are `cosCand tan D,` is

A

`39x^(2) + 88x + 48 =0`

B

`39x^(2) - 16x - 48 =0`

C

`39x^(2) - 88x + 48 =0`

D

none

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The correct Answer is:
B
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ML KHANNA-TRIGONOMETRY RATIOS AND IDENTITIES-PROBLEM SET (4) ( MULTIPLE CHOICE QUESTIONS)
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  3. If ABCD, is a cycling quadrilateral such that tanA-5=0and 5cosB+3=0, t...

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  4. If cos(A-B)=3/5and tan A tanB=2, then

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  13. If A+B=pi/4, then (1+tan A) (1+tanB) is equal

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  14. If f (x) = ( cot x )/( 1+ cot x ) and theta +phi = ( 5pi )/( 4), then ...

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  15. If sin A + sin B =a and cos A + cos B = b, then cos ( A + B ) =

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  16. If cos A + cos B =a, and sin A + sin B = b where a,b cancel(=)0, then ...

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