Home
Class 14
MATHS
Assume the Earth to be a sphere of radiu...

Assume the Earth to be a sphere of radius R. What is the radius of the circle of latitude `40^(@)S` ?

A

`R cos 40^(@)`

B

`R sin 80^(@)`

C

`R sin 40^(@)`

D

`R tan 40^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIO OF SPECIFIC ANGLES

    LUCENT PUBLICATION|Exercise Exercise 10B|10 Videos

  • TRIGONOMETRIC RATIO OF SPECIFIC ANGLES

    LUCENT PUBLICATION|Exercise Exercise 10B|10 Videos

  • QUADRILATERAL

    LUCENT PUBLICATION|Exercise Exercise 7B|6 Videos

Similar Questions

Explore conceptually related problems

The volume of a sphere of radius 2r is

A cylinder is inscribed in a sphere of radius r What is the radius of the cylinder of maximum volume ?

Two satellites M and N go around the earth in circular orbits at heights of R_(M) and R_(N) respectively from the surrface of the earth. Assuming the earth to be a uniform sphere of radius R_(E) , the ratio of velocities of the satellites (V_(M))/(V_(N)) is

Assuming that the Earth is a sphere of radius R . At what altiude will the value of acceleration due to gravity be half its value at the surface of the Earth?

Assuming the earth to be a homogencous sphere of radius R. its density in terms of G (constant of gravitation) and g (acceleration due to gravity on the surface of the earth )is

Assuming the earth to be a sphere of radius 6370km, how many square kilometres is area of the land,if three-fourth of the earths surface is covered by water?

Assuming that the earth is a solid sphere of radius R, the mass M of the earth would be given by

Assuming the earth to be a homogeneous sphere of radius R , its density in terms of G (constant of gravitation) and g (acceleration due to gravity on the surface of the earth)

LUCENT PUBLICATION-TRIGONOMETRIC RATIO OF SPECIFIC ANGLES-Exercise 10A
  1. IF A=pi//6 and B=pi//3 then which of the following is/are correct? 1...

    Text Solution

    |

  2. If sin17^(@)=(a)/(b) then value of sec17^(@)-sin73^(@) is

    Text Solution

    |

  3. Assume the Earth to be a sphere of radius R. What is the radius of the...

    Text Solution

    |

  4. If (cosectheta+sintheta)/(cosectheta-sintheta)=(5)/(3) and 0^(@)ltthet...

    Text Solution

    |

  5. Choose the correct statement :

    Text Solution

    |

  6. Given below are respectively base and hypotenuse of four right angle t...

    Text Solution

    |

  7. Consider the following statements about the expression sin^(3)theta+2s...

    Text Solution

    |

  8. Consider right angled DeltaABC with /B=90^(@) . If /ACB=60^(@) , then ...

    Text Solution

    |

  9. In DeltaABC, /ABC=60^(@) and AD is perpendicular from A to BC . If AB=...

    Text Solution

    |

  10. If 0^(@)lethetale90^(@) then for any value of theta which one is corre...

    Text Solution

    |

  11. If 0^@ lt theta lt 90^@, then the value of sin theta + cos theta is

    Text Solution

    |

  12. If sin theta+cosec theta=2 then value of sin^(4)theta+cos^(4)theta ?

    Text Solution

    |

  13. If sec theta = (13)/( 5) , then what is the value of (2 sin theta - ...

    Text Solution

    |

  14. If 0^(@)lexle90^(@) and sinx+sqrt(3)cosx=1 , then what is the value of...

    Text Solution

    |

  15. In a right angled DeltaABC if /B=90^(@),AC=2sqrt(5) and AB-BC=2 then w...

    Text Solution

    |

  16. Statement (A) : If tantheta+cottheta=2 , then for all n epsilon N, tan...

    Text Solution

    |

  17. What is the value of expression cos^(2)((pi)/(8))+4cos^(2)((pi)/(4))-s...

    Text Solution

    |

  18. If qcosectheta=p and theta is acute then value of (sqrt(p^(2)-q^(2)))t...

    Text Solution

    |

  19. If 2x^(2)cos 60^(@)-4cot^(2)45^(@)-2tan 60^(@)=0, then what is the val...

    Text Solution

    |

  20. If 13 cos theta=12k-5 where 0lethetale90^(@) and k is an integer then ...

    Text Solution

    |