Home
Class 12
MATHS
Express the following as trigonometric r...

Express the following as trigonometric ratios of some acute angles. `cot (-3888^@)`

Text Solution

Verified by Experts

`cot (-3888^@) = -cot 3888^@ = -cot (43 (pi)/2 + 18^@) = -(-tan 18^@) = tant 18^@`
Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    MBD PUBLICATION|Exercise QUESTION BANK|523 Videos

  • VECTORS

    MBD PUBLICATION|Exercise QUESTION BANK|138 Videos

Similar Questions

Explore conceptually related problems

Express the following as trigonometric ratios of some acute angles. cos 500^@

Express the following as trigonometric ratios of some acute angles. sec 380^@

Express the following as trigonometric ratios of some acute angles. tan 235^@

Express the following as trigonometric ratios of some acute angles. cosec (-60^@)

Express the following as trigonometric ratios of some acute angles. tan 458^@

Express the following as trigonometric ratios of some acute angles. sin (-3333^@)

Express the following to four significant figures 12.6552

Express the following to four significant figures 45.3712

Express the following to four significant figures 23.4551

MBD PUBLICATION-TRIGONOMETRIC FUNCTIONS-QUESTION BANK
  1. Express the following as trigonometric ratios of some acute angles. t...

    Text Solution

    |

  2. Express the following as trigonometric ratios of some acute angles. s...

    Text Solution

    |

  3. Express the following as trigonometric ratios of some acute angles. c...

    Text Solution

    |

  4. Express the following as trigonometric ratios of some acute angles. ta...

    Text Solution

    |

  5. Express the following as trigonometric ratios of some acute angles. co...

    Text Solution

    |

  6. Express the following as trigonometric ratios of some acute angles. co...

    Text Solution

    |

  7. Express the following as trigonometric ratios of some acute angles.sec...

    Text Solution

    |

  8. Find the domains of tangent and cotangent functions.

    Text Solution

    |

  9. Determine the ranges of sine and cosine functions.

    Text Solution

    |

  10. Find a value of A when cos 2A = sin 3A

    Text Solution

    |

  11. Find the value of cos 1^@, cos 2^@ ….. Cos 100^@

    Text Solution

    |

  12. Find the value of cos 24^@ + cos 5^@ + cos 175^@ + cos 204^@ + cos 300...

    Text Solution

    |

  13. Evaluate tan ((pi)/20).tan((3pi)/20).tan((5pi)/20).tan((7pi)/20).tan((...

    Text Solution

    |

  14. Show that (sin^3(180^@+A).tan(360^@-A)sec^2(180-A))/(cos^2(90^@+A)cose...

    Text Solution

    |

  15. If A = cos^2theta + sin^4theta then prove that for all values of theta...

    Text Solution

    |

  16. In the following questions, write 'T' for truee and 'F' for false stat...

    Text Solution

    |

  17. In the following questions, write 'T' for ture and 'F' for false state...

    Text Solution

    |

  18. In the following questions, write 'T' for true and 'F' for false state...

    Text Solution

    |

  19. In the following questions, write 'T' for ture and 'F' for false state...

    Text Solution

    |

  20. In the following questions, write 'T' for true and 'F' for false state...

    Text Solution

    |