Home
Class 10
MATHS
If sin theta = (20)/(29) , then find the...

If `sin theta = (20)/(29)` , then find the value of `cos theta`.

Text Solution

Verified by Experts

The correct Answer is:
`cos theta = 21/29`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    UNIQUE PUBLICATION|Exercise ASSIGNMENT|12 Videos

  • TRIGONOMETRY

    UNIQUE PUBLICATION|Exercise HOTS SOLVED|9 Videos

  • STATISTICS

    UNIQUE PUBLICATION|Exercise PROBLEM SET|6 Videos

Similar Questions

Explore conceptually related problems

If sin theta=(3)/(5), then find the values of cos theta and tan theta

If tan theta=(m)/(n), then find the value of cos theta and sin theta.

If tan theta=(a)/(b) then find the value of (cos theta+sin theta)/(cos theta-sin theta)

If sin theta=(21)/(29) , find the value of sec theta+tan theta , if theta lies between 0 and pi//2 :

If cot theta=(4)/(3) , then find the value of sin theta,cos theta and cos ectheta in first quadrant. If sin theta+cos ec theta=2 then find the value of sin^(8 )theta+cos ec^(8)theta .

If sin theta=12/13 then find the values of cos theta and tan theta

If (cos theta)/(1- sin theta) + (cos theta)/(1 + sin theta) =4 , then find the value of cos theta . Find theta if 0^(@) lt theta lt 90^(@)

If cot theta=21/20, then find the value of cos theta and sin theta.

If sin theta_(1)+sin theta_(2)+sin theta_(3), then find the value of cos theta_(1)+cos theta_(2)+cos theta_(3)

UNIQUE PUBLICATION-TRIGONOMETRY-UNIQUE PRACTICE SESSION
  1. What is the value of (1+tan^2 theta )(1-sin theta)( 1+sin theta ) = ?

    Text Solution

    |

  2. If cosA=7/(25) , find the value of tanA+cotA .

    Text Solution

    |

  3. If sin theta = (20)/(29) , then find the value of cos theta.

    Text Solution

    |

  4. If sec theta=25/7 then find the value of tan theta.

    Text Solution

    |

  5. Prove that sqrt( sec^(2) theta + "cosec"^(2) theta )= tan theta + c...

    Text Solution

    |

  6. If sintheta+sin^2theta=1 , prove that cos^2theta+cos^4theta=1

    Text Solution

    |

  7. Prove: (costheta)/(1-sintheta)=(1+sintheta)/(costheta)

    Text Solution

    |

  8. सिद्ध कीजिए कि : sin^(2) theta + cos^(4) theta = cos^(2) theta + sin...

    Text Solution

    |

  9. If tantheta=4/5 , find the value of (costheta-sintheta)/(costheta+s...

    Text Solution

    |

  10. If cosec theta - cot theta = alpha, write the value of cosec theta + c...

    Text Solution

    |

  11. If tan theta=1, then (sin theta+cos theta)/(sec theta+cosec theta)=

    Text Solution

    |

  12. त्रिकोणमितीय सर्वसमिकाओं को सिद्ध करो : (1)/(cosec A- cot A )-(1)/(s...

    Text Solution

    |

  13. Prove that sqrt((1+sintheta)/(1-sintheta))=sectheta+tantheta

    Text Solution

    |

  14. The length of the shadow of a tower standing on level plane is foun...

    Text Solution

    |

  15. A circus artist is climbing from the ground along a rope stretched ...

    Text Solution

    |

  16. An observer at a distance of 10 m from a tree looks at the top of the ...

    Text Solution

    |

  17. From the top of a building , an observer is looking at a scooter parke...

    Text Solution

    |

  18. The angle of elevation of a jet plane from a point A on the grund is 6...

    Text Solution

    |

  19. Prove that : (tan theta)/(sec theta -1) + (tan theta)/(sec theta + 1...

    Text Solution

    |

  20. Prove that (1+tan theta )^2 + (1+cot theta)^2 = (sec theta + cosec t...

    Text Solution

    |