Home
Class 11
MATHS
Which of the following is the greates? c...

Which of the following is the greates? `cos e c1` (b) `cos e c2` `cos e c4` (d) `cos e c(-6)`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE ENGLISH|Exercise All Questions|491 Videos

Similar Questions

Explore conceptually related problems

Prove the following identities: cot^4A-1=cos e c^4A-2cos e c^2A

In A B C , prove that cos e c A/2+cos e c B/2+cos e c C/2geq6.

The value of cos e c10^0+cos e c50^0-cos e c70^0 is ____

In triangle A B C , prove that cos e c A/2+cos e c B/2+cos e c C/2geq6.

Prove: (cos e c\ A)/(cos e c\ A-1)+(cos e c\ A)/(cos e c\ A+1)=2sec^2A

Find the number of solution of the equation "cos"(cos^(-1)x)=cos e c(cos e c^(-1)x)dot

The value of sqrt((1+costheta)/(1-costheta)) is (a) cottheta-cos e c\ theta (b) cos e c\ theta+cottheta (c) cos e c^2theta+cot^2theta (d) (cottheta+cos e c\ theta)^2

Find the sum of the series cos e ctheta+cos e c2theta+cos e c4theta+ tont e r m sdot

Find the least value of sec^6x+cos e c^6x+sec^6xcos e c^6xdot

Evaluate the following integral: int_(pi//6)^(pi//2)(cos e c\ xcotx)/(1+cos e c^2x)dx

CENGAGE ENGLISH-TRIGONOMETRIC FUNCTIONS-All Questions
  1. In any triangle, the minimum value of r1r2r3//r^3 is equal to (a) 1 ...

    Text Solution

    |

  2. Solve the equation for x: cos^2[pi/4(sinx+sqrt(2)cos^2x)]-tan^2[x+pi/4...

    Text Solution

    |

  3. Which of the following is the greates? cos e c1 (b) cos e c2 cos e c...

    Text Solution

    |

  4. If tan(pi/4+y/2)=tan^3(pi/4+x/2)dot Prove that (siny)= (sinx)(3+sin^2...

    Text Solution

    |

  5. Find the value of x for which f(x)=sqrt(sinx-cosx) is defined, x in [0...

    Text Solution

    |

  6. In triangle A B C ,b^2sin2C+c^2sin2B=2bc where b=20 ,c=21 , then i...

    Text Solution

    |

  7. Solve for x and y :sqrt(3)sinx+cosx=8y-y^2-18 ,w h e r e0lt=xlt=4pi, y...

    Text Solution

    |

  8. Show that (1+sinA)/(cosA)+(cosB)/(1-sinB)=(2sinA-2sinB)/(sin(A-B)+cosA...

    Text Solution

    |

  9. The ratio of the area of a regular polygon of n sides inscribed in a ...

    Text Solution

    |

  10. Solve cos4theta+sin5theta=2

    Text Solution

    |

  11. Solve tanx >cotx , where x in [0,2pi]dot

    Text Solution

    |

  12. If ("tan"(theta+alpha))/a=""("tan"(theta+beta))/b=""("tan"(theta+gamma...

    Text Solution

    |

  13. Solve 1+sinxsin^2x/2=0

    Text Solution

    |

  14. The area of the circle and the area of a regular polygon of n sides an...

    Text Solution

    |

  15. Which of the following is/are correct ? (a) (tanx)^(In (cosx))lt(...

    Text Solution

    |

  16. In triangle A B C ,tan(A-B)+tan(B-C)+"tan"(C-A=0. Prove that the trian...

    Text Solution

    |

  17. If the inequality sin^2x+acosx+a^2>1+cosx holds for any x in R , then...

    Text Solution

    |

  18. If x , ya n dz are the distances of incenter from the vertices of the ...

    Text Solution

    |

  19. The general values of theta satisfying the equation 2sin^2theta-3sint...

    Text Solution

    |

  20. A right angle is divided into three positive parts alpha,betaa n dgamm...

    Text Solution

    |