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If alpha and beta are the solutions of ...

If `alpha and beta` are the solutions of the equation `atan theta+ b sec theta =c` then `(alpha +beta)=`

A

`(2ac)/(a^(2) -c^(2))`

B

`(2ac)/(c^(2) -a^(2))`

C

`(2ac)/(a^(2) +c^(2))`

D

`(ac)/(a^(2) +c^(2))`

Text Solution

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The correct Answer is:
A
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OBJECTIVE RD SHARMA-TRIGONOMETRIC EQUATIONS AND INEQUATIONS-Exercise
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  12. The smallest positive root of the equation tanx-x=0 lies in (0,pi/2) ...

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  13. The number of solutions of the equation "sin" x = "cos" 3x "in" [0, pi...

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  14. The most general values oro satisfying tan theta + tan((3pi)/4+theta)=...

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  15. If "sec" theta "tan" theta =sqrt(2),"then" theta=

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  16. The number of solutions of the equation "tan" x + "sec"x = 2"cos" x ly...

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  17. If "cot" theta "cot" 7 theta + "cot" theta "cot" 4 theta + "cot" 4 the...

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  18. The number of values of x in [0, 5 pi] satisfying the equation 3"cos" ...

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