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What is the maximum value of 3cosx+4sinx...

What is the maximum value of `3cosx+4sinx+5`?

A

5

B

7

C

10

D

12

Text Solution

Verified by Experts

The correct Answer is:
C
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PUNEET DOGRA-TRIGONOMETRY-PREV YEAR QUESTIONS
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  2. If tan A - tan B = x and cot B - cot A =y , then what is cot ( A -B) ...

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  3. What is the maximum value of 3cosx+4sinx+5?

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  4. If (1+tantheta)(1+tanphi)=2, then what is (theta+phi) equal to ?

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  5. If tan A=1//2andtanB=1//3, then what is the value of 4A +4B ?

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  6. What is (sinx)/(1+cosx)+(1+cosx)/(sinx) equal to ?

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  7. What is the value of tan 15^(@).tan195^(@)?

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  8. Angle a is divided into two parts A and B such that A - B = x and tan ...

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  9. If x=sintheta+costhetaandy=sintheta.costheta, then what is the value ...

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  10. What is the value of sin 292(1)/(2)""^@?

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  11. What is the value of (sintheta+costheta-tantheta)/(sectheta+"cosec"-co...

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  12. What is the value of sin 15^@. sin 75^@?

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  13. What is (sin theta+1)/(cos theta) equal to?

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  14. If =sec^(2)theta+cos^(2)theta, where 0ltthetalt(pi)/(2), then whic...

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  15. The value of sin50^(@)-sin70^(@)+sin10^(@) is

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  16. What is ((sec18^(@))/(sec144^(@))+("cosec"18^(@))/("cosec"144^(@))) e...

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  17. One of the angles of a triangle is 1//2 radian and the other is 99^(@...

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  18. Which one of the following is correct?

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  19. If cos x ne -1. then what is (sinx)/(1+cosx) equal to?

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  20. What is the value of (1+tan15^(@))/(1-tan15^(@))?

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