Home
Class 11
MATHS
If sinA,cosA andtanA are in G.P. then fi...

If `sinA`,`cosA` and`tanA` are in G.P. then find cthe value of `cot^6A-cot^2A`

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    MARVEL PUBLICATION|Exercise MCQs|175 Videos

  • STRAIGHT LINE

    MARVEL PUBLICATION|Exercise MISCELLANEOUS MCQS|160 Videos

  • TRIGONOMETRIC FUNCTIONS OF COMPOUND ANGLES AND FACTORIZATION FORMULAE

    MARVEL PUBLICATION|Exercise MCQs|101 Videos

Similar Questions

Explore conceptually related problems

If sin A,cos A andtan A are in G.P.then find cthe value of cot^(6)A-cot^(2)A

If cos A,sin A,cot A are in G.P.then the value of tan ^(6)A-tan^(2)A is

Find the value of (tanA+secA-1)cosA .

If sinA, cosA and tanA are in G.P., then cos^(3)A+cos^(2)A=?

If sinA, cosA and tanA are in G.P, the cos^(3)A+cos^(2)A is equal to :

If sinA=cosA,then find the value of sin 2A.

If cosA=7/25 , find the value of tanA+cotA

If sinA+cosA=0 and A lies in 4th quadrant, find the values of sinA and cosA.

If sec A= 2, then find the value of (1)/(cotA)+(cosA)/(1+sinA)

MARVEL PUBLICATION-TRIGONOMETRIC FUNCTIONS-MCQs
  1. If x=r cos A cos B, y=rcosAsinB, z=rsin A then x^(2)+y^(2)+z^(2)=

    Text Solution

    |

  2. If x=acos^(2)theta+bsin^(2)theta and (x-a)(b-x)=c^(2)*sin^(2)theta*cos...

    Text Solution

    |

  3. If sinA,cosA andtanA are in G.P. then find cthe value of cot^6A-cot^2A

    Text Solution

    |

  4. If x=cos(A+B)cos(A-B) and y=sin (A+B)sin (A-B) then x-y=

    Text Solution

    |

  5. If x=sin((pi)/(3)+A)*cos((pi)/(3)+B) and y=cos((pi)/(3)+A)*sin ((pi)/(...

    Text Solution

    |

  6. If x=tan ((pi)/(4)+A)+tan(B-(pi)/(4)) and y=tan ((pi)/(4)+A)*tan (B-(p...

    Text Solution

    |

  7. sin (A+B) * sin (A-B)=

    Text Solution

    |

  8. cos(A+B)*cos(A-B)= (a)sin^2A-cos^2B (b)cos^2A-sin^2B (c)sin^2A-sin^2B ...

    Text Solution

    |

  9. Prove that 1+tanA Tan(A/2)=tanA cot(A/2)-1=secA.

    Text Solution

    |

  10. If : (tan 3 A+tan A)/(tan 3A - tanA)=(sin(mA)/(sin(nA))) then (m,n)= (...

    Text Solution

    |

  11. If : x*cos A *cos B= sin (A-B), y*cos B *cos C= sin (B-C), z*cos C...

    Text Solution

    |

  12. If : x=sin(B-C) * cos A, y=sin(C-A) * cos B, z=sin(A-B) * cos C, ...

    Text Solution

    |

  13. If :cos x pm sin x =sqrt(2)*cos(x pm alpha), "then" : alpha=

    Text Solution

    |

  14. If :cos x pm sin x =sqrt(2)*cos(x pm alpha), "then" : alpha= A) 45^(@)...

    Text Solution

    |

  15. tan 20^(@) + tan 25^(@) +tan 20^@ tan25^(@)=

    Text Solution

    |

  16. tan 40^(@) +2* tan 10^(@) = A)tan30^(@) B)tan50^(@) C)tan70^(@) D)tan9...

    Text Solution

    |

  17. If : sin(x+(pi)/(3)) = cos (x-(pi)/(6)),"then" : tan x = A)1//sqrt3B)...

    Text Solution

    |

  18. If : sin (theta - 30^(@))+cos (theta - 60^(@))=k * sin theta, "then" :...

    Text Solution

    |

  19. " cos x + cos " (120^(@) -x ) + " cos "(120^(@) +x)=0

    Text Solution

    |

  20. tan(45^(@)+A)tan(45^(@)-A)=1

    Text Solution

    |