Home
Class 11
MATHS
The equation a sin x+b cos x=c, where ab...

The equation a sin x+b cos x=c, where `abscgtsqrt(a^2+b^2` has

A

a unique solution

B

infinite number of solutions

C

no solution

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • 3D-GEOMETRY

    PATHFINDER|Exercise QUESTION BANK|39 Videos
  • BINOMIAL THEOREM

    PATHFINDER|Exercise QUESTION BANK|225 Videos

Similar Questions

Explore conceptually related problems

Eliminate x and y from the following equations : a sin ^(2)+ b cos^(2) x=c, b sin ^(2) y+ a cos^(2) y=d, a tan x= b tan y .

Verify that the function y = a cos x + b sin x , where a,b in R is a solution of the differential equation (d^(2)y)/(dx^(2)) + y = 0

If a cos theta+b sin theta = c then show that a sin theta- b cos theta= +- sqrt(a^2+b^2-c^2)

If alpha and beta be two roots of the equation a cos theta+ b sin theta=c , show that sin alpha+ sin beta=(2bc)/(a^(2)+b^(2)) ,sin alpha sin beta =(c^(2)-a^(2))/(a^(2)+b^(2)) and tan (alpha+ beta)=(2ab)/(a^(2)-b^(2))

The equation a x^2+b x+c=0 has real and positive roots. Prove that the roots of the equation a^2x^2+a(3b-2c)x+(2b-c)(b-c)+a c=0 re real and positive.

The equation a cos theta + b sin theta =c has a solution when a, b anc c are real numbers such that-

If 2 + i and sqrt5-2i are the roots of the equation (x^2+ax+b)(x^2+cx+d)=0 , where a,b,c,d are real constants, then product of all roots of the equation is

If a+b+c=0 then check the nature of roots of the equation 4a x^2+3b x+2c=0 where a ,b ,c in Rdot

Show that for all real value of x, c-sqrt(a^(2) + b^(2)) le a cos x + b sin x + c le c + sqrt(a^(2) + b^(2))

Let cos^(-1)(x)+cos^(-1)(2x)+cos^(-1)(3x)b epidot If x satisfies the equation a x^3+b x^2+c x-c_1=0, then the value of (b-a-c) is_________

PATHFINDER-BASIC MATHEMATICS-QUESTION BANK
  1. Values of x satisfying (1/3)^{{x}}gt1/sqrt3 are (where {.} denotes the...

    Text Solution

    |

  2. Solution of abs(4x+3)+abs(3x-4)=12 are

    Text Solution

    |

  3. The equation a sin x+b cos x=c, where abscgtsqrt(a^2+b^2 has

    Text Solution

    |

  4. The value of (1-tan^2 15^@)/(1+tan^2 15^@) is

    Text Solution

    |

  5. The value of sin 55^@-sin19^@+sin53^@-sin17^@ is always equal to

    Text Solution

    |

  6. If alpha in [pi/2,pi], then the value of sqrt(1+sin alpha)- sqrt(1-sin...

    Text Solution

    |

  7. Let alpha,beta be such that pi lt alpha-beta lt3 pi. If sin alpha+ sin...

    Text Solution

    |

  8. If alpha is a root of 25 cos^2 theta+5 cos theta-12=0, pi/2 lt alpha l...

    Text Solution

    |

  9. Let f(theta)=sin theta(sin theta+ sin 30) then f(theta)

    Text Solution

    |

  10. The general solution of the equation, 2cos 2x=3 cdot 2 cos^2 x-4 is

    Text Solution

    |

  11. Angles A and B are obtuse angles such that, tan A + tan B + tan A tan ...

    Text Solution

    |

  12. If x in [0,pi/2], the number of solutions of the equation, sin 7x + si...

    Text Solution

    |

  13. The principal solution set of the equation, 2 cos x = sqrt(2+2sin2x) i...

    Text Solution

    |

  14. The value of x and y satisfying the equations log(100)abs(x+y)=1/2, lo...

    Text Solution

    |

  15. Total number of solutions of [sin x] + cos x = 0, where [.] denotes th...

    Text Solution

    |

  16. Let f(n)=[1/2+n/100], where [.] denotes the greatest integer function,...

    Text Solution

    |

  17. If 0lt thetalt 2pi, then the intervals of values of theta for which 2...

    Text Solution

    |

  18. Number of solutions of the equation [2x] - 3{2x} = 1 is (where [/] and...

    Text Solution

    |

  19. If x ge0 and yge0, then the area bounded by the graph of [x] + [y] = 2...

    Text Solution

    |

  20. Let cos(alpha+beta)=4/5 and let sin(alpha-beta)=5/13, where 0le alpha,...

    Text Solution

    |