Home
Class 11
MATHS
If 2cosx+sinx=1, then find the value of...

If `2cosx+sinx=1,` then find the value of `7cosx+6sinxdot`

Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

If 0 lt x lt 5/4 and cosx+sinx=5/4 then the value of 16(cosx-sinx)^2 is

If int(sinx^8-cosx^8)/(1-2sinx^2cosx^2)dx= asin2x +c , then find the value of a.

Find the value of int(sinx+cosx)/(sin(x-alpha)) dx=

cot2x = cosx + sinx

Find the derivative of (x^(5)-cosx)/(sinx)

Find the period of "cos"(cosx)+cos(sinx)dot

Find the maximum and minimum values of : 3cosx+4sinx

If f(x)=lambda|sinx|+lambda^2|cosx|+g(lambda) has a period = pi/2 then find the value of lambda

The minimum value of 2^(sinx)+2^(cosx) is -

If sin(sinx+cosx)=cos(cosx-sinx), and largest possible value of sinx is pi/k , then the value of k is______.

CENGAGE PUBLICATION-TRIGONOMETRIC FUNCTIONS-All Questions
  1. If 2tan^2x-5secx=1 is satisfied by exactly seven distinct values of x ...

    Text Solution

    |

  2. In a triangle tanA+tanB+tanC=6 and tanAtanB=2, then the values of tanA...

    Text Solution

    |

  3. If 2cosx+sinx=1, then find the value of 7cosx+6sinxdot

    Text Solution

    |

  4. If sinx+sinygeqcosacosxAA in R , then siny+cosa is equal to

    Text Solution

    |

  5. If alpha,beta,gamma are acute angles and costheta=sinbeta//sinalpha,co...

    Text Solution

    |

  6. In triangle A B C , if cotA cotC=1/2a n dcot B cotC=1/(18), then the v...

    Text Solution

    |

  7. Find the values of xa n dy for which cosec theta=(x^2-y^2)/(x^2+y^2) i...

    Text Solution

    |

  8. The set of all x in the interval [0,pi] for which 2sin^2x-3sinx+1geq0 ...

    Text Solution

    |

  9. If in a triangle (1-r1/r2)(1-r1/r3)=2,then the triangle is

    Text Solution

    |

  10. Let alpha and beta be the roots of the quadratic equation x^(2) sin th...

    Text Solution

    |

  11. A parallelogram containing a 60^0 angle has perimeter p and its longer...

    Text Solution

    |

  12. If r/(r1)=(r2)/(r3), then

    Text Solution

    |

  13. If sin(sinx+cosx)=cos(cosx-sinx), and largest possible value of sinx ...

    Text Solution

    |

  14. If 0lt=xlt=pi/3 then range of f(x)=sec(pi/6-x)+sec(pi/6+x) is

    Text Solution

    |

  15. For each natural number ngt=2, prove that sinx1cosx2+sinx2cosx3+...+si...

    Text Solution

    |

  16. The values of x1 between 0 and 2pi , satisfying the equation cos3x+c...

    Text Solution

    |

  17. If y=(sin^4x-cos^4x+sin^2xcos^2x)/(sin^4x+cos^4x+sin^2xcos^2x),x in (0...

    Text Solution

    |

  18. In an acute angled triangle A B C ,r+r1=r2+r3a n d/B >pi/3, then (a) b...

    Text Solution

    |

  19. If un=sin^("n")theta+cos^ntheta, then prove that (u5-u7)/(u3-u5)=(u3)/...

    Text Solution

    |

  20. If x ,y in R and x^2+y^2+x y=1, then find the minimum value of x^3y+x...

    Text Solution

    |