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If tanA=(1)/(sqrt(3))andtanB=sqrt(3),the...

If `tanA=(1)/(sqrt(3))andtanB=sqrt(3)`,then find the value of `cosAcosB-sinAsinB`

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NAGEEN PRAKASHAN-INTRODUCTION TO TRIGONOMETRY-Exercise 8a
  1. In DeltaABC,angleB=90^(@)andsinA=(3)/(5), then find all other trigonom...

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  2. InDeltaABC,angleB=90^(@)and cosA=(9)/(41), then find all other trigono...

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  3. In DeltaABC,angleA=90^(@)andtanB=(5)/(6), then find all other trigono...

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  4. InDeltaPQR, angleR=90^(@)and"cosec"P=(13)/(5), then find all trigonome...

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  5. InDeltaABC,angleC=90^(@)andsecB=(5)/(4), then find all other trigono...

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  6. InDeltaABC,angleA=0=90^(@),AB=6cmandAC=8cm, then find the values of t...

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  7. In DeltaABC, angleB=90^(@),AB=24cmandAC=26cm then find the values of ...

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  8. If tan theta=2,then the find the value of (2sinthetacostheta)/(cos^(2)...

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  9. If sectheta=(3)/(2),then find value of (2costheta-tan^(2)theta)/(sin^(...

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  10. If sintheta=(1)/(3),then find the value of sintheta*cos^(2)theta+"cose...

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  11. If sin theta=(a)/(b),then find the value of (i) costheta, (ii) tant...

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  12. (i) If tantheta=(a)/(b),then find the value of (2sintheta-3costheta)/(...

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  13. If sectheta=(13)/(5),then show that (tantheta)/(1+tan^(2)theta)=(sinth...

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  14. If tantheta=(3)/(4),then find the value of sectheta+tantheta.

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  15. If tantheta=sqrt(2)-1,then find the value of cottheta.

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  16. If tanA=(1)/(sqrt(3))andtanB=sqrt(3),then find the value of cosAcosB-s...

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  17. If costheta=(3)/(4),then find the value of sinthetaandtantheta.

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  18. If cottheta=(12)/(5),then find the value ofsintheta*sectheta+costheta*...

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  19. If sintheta=(7)/(25),then find the value of sqrt((-1costheta)/(1+costh...

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  20. sintheta=(1)/(sqrt(2)),then find the value of 3sin ^(2)theta-4sin^(3)t...

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