Home
Class 10
MATHS
Evaluate : 14 sin 30^(@)+6cos 60^(@)-5...

Evaluate :
`14 sin 30^(@)+6cos 60^(@)-5tan 45^(@)`

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRICAL IDENTITIES

    ICSE|Exercise EXERCISE 21 (D)|22 Videos

  • TRIGONOMETRICAL IDENTITIES

    ICSE|Exercise EXERCISE 21 (E)|62 Videos

  • TRIGONOMETRICAL IDENTITIES

    ICSE|Exercise EXERCISE 21 (B)|15 Videos

  • TANGENTS AND INTERSECTING CHORDS

    ICSE|Exercise EXERCISE 18 (C)|42 Videos

Similar Questions

Explore conceptually related problems

Evaluate : (i) sin^(2)30^(@)-2cos^(3)60^(@)+3tan^(4)45^(@) (ii) (cos0^(@)+sin45^(@)+sin30^(@))(sin90^(@)-cos45^(@)+cos60^(@))

Evaluate : [{:(,4 sin 30^@ 2 cos 60^@), (,sin 90^@ 2 cos 0^@):}] [{:(,4,5),(,5,4):}]

Evaluate : (tan45^(@))/(2sin30^(@)-cos60^(@))

Evaluate : sin ^(2)60^(@)tan 45^(@)- cos^(2)45^(@)sec 60^(@)

Evaluate sin(30^(@)+theta)-cos(60^(@)-theta) .

Find the value of : (i) sin 30^(@)-cos 60^(@) (ii) sin 0^(@)+cos 0^(@)

Find the value of : (i) sin 30^(@)+cos 60^(@) (ii) sin 0^(@)-cos 0^(@)

With out using tables, evaluate : 4 tan 60^(@) sec 30^(@) + (sin 31^(@) sec 59^(@) + cot 59^(@) cot 31^(@))/(8 sin^(2) 30^(@) - tan^(2) 45^(@))

Find the value of (sin30^(@))/(cos^(2)45^(@))-tan^(2)60^(@)+3cos90^(@)+sin0^(@) .

ICSE-TRIGONOMETRICAL IDENTITIES-EXERCISE 21 (C)
  1. Evaluate : cosec(65^(@)+A)-sec(25^(@)-A)

    Text Solution

    |

  2. Evaluate : 2 (tan 57^(@))/(cot 33^(@))-(cot 70^(@))/(tan 20^(@))-sqr...

    Text Solution

    |

  3. Evaluate : (cot^(2)41^(@))/(tan^(2)49^(@))-2(sin^(2)75^(@))/(cos^(2)...

    Text Solution

    |

  4. Evaluate : (cos 70^(@))/(sin 20^(@))+(cos 59^(@))/(sin31^(@))-8sin^(...

    Text Solution

    |

  5. Evaluate : 14 sin 30^(@)+6cos 60^(@)-5tan 45^(@)

    Text Solution

    |

  6. A triangle ABC is right angled at B, find the value of (sec A . cose...

    Text Solution

    |

  7. Find (in each case, given below) the value of x, if : sin x = sin 60...

    Text Solution

    |

  8. Find (in each case, given below) the value of x, if : sin x = sin 60...

    Text Solution

    |

  9. Find (in each case, given below) the value of x, if : cos x = cos 60...

    Text Solution

    |

  10. Find (in each case, given below) the value of x, if : tan x = (tan 6...

    Text Solution

    |

  11. Find (in each case, given below) the value of x, if : sin 2 x = 2 si...

    Text Solution

    |

  12. Find (in each case, given below) the value of x, if : sin 3 x = 2 si...

    Text Solution

    |

  13. Find the value of x in the following : cos2x=cos60cos30 + sin60sin3...

    Text Solution

    |

  14. In each case, given below, find the value of angle A, where 0^(@) le...

    Text Solution

    |

  15. In each case, given below, find the value of angle A, where cos (9...

    Text Solution

    |

  16. Prove that : (cos (90^(@) - 0) cos 0) /(cot 0) = 1 - cos^(2) 0

    Text Solution

    |

  17. Prove that : (sin \theta . sin(90^(@) - \theta))/(cot (90^(@) - \t...

    Text Solution

    |

  18. Evaluate : (sin 35^(@) cos 55^(@) + cos 35^(@) sin 55^(@))/ (cosec^(...

    Text Solution

    |

  19. Without using trigonometric tables, evaluate. "sin"^(2)34^(@)+"sin"^...

    Text Solution

    |

  20. Without using trigonometrical tables, evaluate. "cosec"^(2)57^(@)"ta...

    Text Solution

    |