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If 3costheta=5sintheta, then ((5sintheta...

If `3costheta=5sintheta`, then `((5sintheta-2sec^(3)theta+2costheta)/(5sintheta+2sec^(3)theta-2costheta))=?`

A

`(371)/(799)`

B

`(171)/(979)`

C

`(271)/(979)`

D

`(979)/(271)`

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The correct Answer is:
A, B
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-TRIGONOMETRY -EXERCISES (Multiple Choice Questions)
  1. If cos(alpha+beta)=(4)/(5) and sin(alpha-beta)=(5)/(13) , where alpha ...

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  2. If tantheta-tanphi=xandcotphi-cottheta=y, then cot(theta-phi)=?

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  3. If 3costheta=5sintheta, then ((5sintheta-2sec^(3)theta+2costheta)/(5si...

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  4. sectheta+tantheta=2+sqrt(5), then sintheta will be

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  5. If 3tantheta+4=0 where (pi)/(2)lt thetaltpi, then the value of 2cot th...

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  6. If (1+sinx)/(cosx)+(cosx)/(1+sinx)=4, then find x.

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  7. costheta(tantheta+2)(2tantheta+1)=?

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  8. cos""(pi)/(7)+cos""(2pi)/(7)+cos""(3pi)/(7)+cos""(4pi)/(7)+cos""(5pi)/...

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  9. (1-tan A)/(1+tan A)= (tan3^@ tan15^@ tan30^@ tan75^@ tan87^@)/(tan27^@...

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  10. If (1+sinx)/(cosx)+(cosx)/(1+sinx)=4, then find x.

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  11. If cosectheta-sintheta=mandsectheta-costheta=n, then (m^(2)n)^((2)/(3)...

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  12. If sinA+sinB=C,&cosA+cosB=D, then sin(A+B)=?

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  13. If sinA=(1)/(sqrt(10))andsinB=(1)/(sqrt(5)), where A and B are positiv...

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  14. cos^(2)48^(@)-sin^(2)12^(@)=?

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  15. sin((pi)/(10))sin((3pi)/(10))=?

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  16. If tanA-tanB=x and cotB-cotA=y, then cot(A-B)=?

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  17. tan((pi)/(4)+theta)-tan((pi)/(4)-theta)=?

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  18. cot((pi)/(4)+theta)cot((pi)/(4)-theta)=?

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  19. cos24^(@)+cos55^(@)+cos125^(@)+cos204^(@)+cos300^(@)=?

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  20. (2sinthetatantheta(1-tantheta)+2sinthetasec^(2)theta)/((1+tantheta)^(2...

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