Home
Class 11
MATHS
cot1 5^(@)+cot7 5^(@)+cot13 5^(@)-c o s ...

`cot1 5^(@)+cot7 5^(@)+cot13 5^(@)-c o s e c3 0^(@)=`

Text Solution

Verified by Experts

The correct Answer is:
1
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES AND FACTORIZATION FORMULAE

    MARVEL PUBLICATION|Exercise MCQs|101 Videos

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MCQs|175 Videos

Similar Questions

Explore conceptually related problems

The value of cot5^(@)*cot15^(@)* cot 25^(@)* cot 35^(@)* cot45^(@) * cot 55^(@) * cot65^(@) * cot 75^(@) * cot 85^(@) is ________

The value of cot 5^(@).cot 10^(@).cot 15^(@)……cot 85^(@) is

cot15^(0)+cot75^(0)+cot315^(0)= a)1 b)0 c)1/2 d)3

The value of (tan55^(@))/(cot35^(@))+cot1^(0)cot2^(0)cot3^(0)...cot90^(@), is -2 (b) 2(c)1(d)0

int cot^(5)xdx cot xdx

The value of (1-cot2^(0))(1-cot5^(0))(1-cot11^(0))(1-cot34^(0))(1-cot40^(@))(1-cot43^(0))(1+cot45^(@)) is

cot A+cot B+cot C

What is the value of the expression (Cot 1^@ cot2^@ cot3^@ Cot4^@ co5t^@ _____ Cot 90^@ (A) O (B) 1 (C ) 2 (D) 1/2

MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES AND FACTORIZATION FORMULAE-MCQs
  1. cot1 5^(@)+cot7 5^(@)+cot13 5^(@)-c o s e c3 0^(@)=

    Text Solution

    |

  2. sin10 5^(@)+cos10 5^(@)=

    Text Solution

    |

  3. sin((pi)/(3)+A).cos((pi)/(3)+B)-cos((pi)/(3)+A).sin((pi)/(3)+B)=...

    Text Solution

    |

  4. If 0 ltA lt(pi//2)and0 ltB lt(pi//2), then angle (A-B) lies in…….. Qua...

    Text Solution

    |

  5. If 0 ltA lt(pi//2)and0 ltB lt(pi//2), then angle (A-B) lies in…….. Qua...

    Text Solution

    |

  6. If sinA=3//5 andcosB=9//41, where A,B are both in the first quadrant, ...

    Text Solution

    |

  7. If sinalpha=15//17, (pi//2) ltalpha ltpi and secbeta=13//12, (3pi//2)...

    Text Solution

    |

  8. If tanalpha=3//4 ,alpha in third quadrant, and cosbeta=9//41,beta, in ...

    Text Solution

    |

  9. If sintheta=1//2,cosphi=12//13, where theta lies in the second quadran...

    Text Solution

    |

  10. For any angles A and B, sin(A+B). sin(A-B)=......

    Text Solution

    |

  11. For any angles A and B, cos(A+B).cos(A-B)=…..

    Text Solution

    |

  12. 1+tanA.tan(A//2)=…..

    Text Solution

    |

  13. ( tan3A + tanA)/(tan3A -tan A)=..

    Text Solution

    |

  14. For any angles A,B,C. (sin(A-B))/(cosA.cosB)+(sin(B-C))/(cosB.cosC)+(s...

    Text Solution

    |

  15. sinx+cosx=sqrt2.sin(....)

    Text Solution

    |

  16. cosx-sinx=sqrt2.cos(....)

    Text Solution

    |

  17. tan20^@+tan25^@+tan20^@.tan25^@=....

    Text Solution

    |

  18. tan4 0^@+2tan1 0^@ is equal to

    Text Solution

    |

  19. If A+B=45^@ then (1+tanA)(1+tanB)=

    Text Solution

    |

  20. If 2sin(x+60^@)=cos(x-30^@), then : tan=…..

    Text Solution

    |

  21. tan(45^(@)+A)tan(45^(@)-A)=

    Text Solution

    |