Home
Class 12
MATHS
If the expression cos(x - 3pi/2) + sin(3...

If the expression `cos(x - 3pi/2) + sin(3pi/2+x) + sin(32pi+x) - 18 cos(19pi-x)+cos(56pi+x) - 9sin(x+17pi)` is expressed in the form of `a sinx + bcos x`, then a+b is equal to

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP ENGLISH|Exercise All Questions|15 Videos
  • MATRICES

    RESONANCE DPP ENGLISH|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

Value of expression sin(pi/9)+sin((2pi)/9)+sin((3pi)/9)+...+sin((17pi)/9)=

int_(0)^(pi//2) ( cos x - sin x )/( 2 + sin x cos x ) dx is equal to

int_(-pi/2)^(pi/2) sin x*cos^2 xdx

The expression (tan(x-(pi)/(2)).cos((3pi)/(2)+x)-sin^(3)((7pi)/(2)-x))/(cos(x-(pi)/(2)).tan((3pi)/(2)+x)) simplifies to

The period of sin(pi/4)x+cos(pi/2)x+cos(pi/3)x is

If 2 sin^(2) ((pi//2) cos^(2) x)=1-cos (pi sin 2x), x ne (2n + 1) pi//2, n in I , then cos 2x is equal to

The equation 2 sin^(2) (pi/2 cos^(2) x)=1-cos (pi sin 2x) is safisfied by

The value of cos(pi+x)sin(pi-x) secx.coses x is

Prove that int_0^(pi/2) \ sin^2 x / (1+sin x cos x) \ dx = pi/(3 sqrt(3)

If 2cos^2(pi+x)+3 sin(pi+x) vanishes then the values of x lying in the interval from 0 to 2pi are

RESONANCE DPP ENGLISH-JEE MAINS-All Questions
  1. Number of integers satisfying the inequation (x^2-x-1)(x^2-x-7)<-5, ar...

    Text Solution

    |

  2. If the quadratic equations, a x^2+2c x+b=0 and a x^2+2b x+c=0(b!=c) ha...

    Text Solution

    |

  3. If the expression cos(x - 3pi/2) + sin(3pi/2+x) + sin(32pi+x) - 18 cos...

    Text Solution

    |

  4. Domain of f(x)=sin^(-1)[2-4x^2], where [.] denotes the greatest intege...

    Text Solution

    |

  5. If 2tan^2x-5secx=1 for exactly seven distinct value of x in [0,(npi)/2...

    Text Solution

    |

  6. If sin^(-1)((2x)/(1+x^2))-4cos^(-1)((1-x^2)/(1+x^2))+2tan^(-2)((2x)/(1...

    Text Solution

    |

  7. 1.The slope of the normal at the point with abscissa x = -2 of the gra...

    Text Solution

    |

  8. Number of points of non-differentiability of the function g(x) = [x^2...

    Text Solution

    |

  9. If ' a ' is a natural number and ' b ' a digit such that(3a+2007)^2=4b...

    Text Solution

    |

  10. Let f(x)={(sinx^2)/x x!=0 0x=0, then f^(prime)(0^+)+f^(prime)(0^-) h...

    Text Solution

    |

  11. Solve the inequality: 1<(3x^2-7x+8)/(x^2+1)lt=2

    Text Solution

    |

  12. P and Q have position vectors a and b relative to the origin O and X,Y...

    Text Solution

    |

  13. Solution set of the inequation, (x^2-5x+6)/(x^2+x+1)<0 is x in (-oo,2)...

    Text Solution

    |

  14. The vertices of a triangle are A(1,1,2),B(4,3,1)a n dC(2,3,5) . A vect...

    Text Solution

    |

  15. If the points ((a^3)/((a-1))),(((a^2-3))/((a-1))),((b^3)/(b-1)),(((b^2...

    Text Solution

    |

  16. Let f(x)= cosec 2x + cosec^(2)2 x+ cosec^(2)3 x+........+ cosec^(2)n ...

    Text Solution

    |

  17. Let ' P ' a point on the line y=3x and Q lies on 2y+x=2 and the mid-po...

    Text Solution

    |

  18. Let f(x) be a function such that its derovative f'(x) is continuous in...

    Text Solution

    |

  19. The number of positive integral solutions of, (x^2(3x-4)^3(x-2)^4)/((x...

    Text Solution

    |

  20. Let f(x)=e^(2x) and b=a+hdot If there exists a real number theta in (0...

    Text Solution

    |