Home
Class 12
MATHS
The number of solution of cos^(2)x+cos^(...

The number of solution of `cos^(2)x+cos^(2)2x=2` in `[0,20]` is equal to

Text Solution

Verified by Experts

The correct Answer is:
7
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 101

    NTA MOCK TESTS|Exercise MATHEMATICS|25 Videos

  • NTA JEE MOCK TEST 103

    NTA MOCK TESTS|Exercise MATHEMATICS|25 Videos

Similar Questions

Explore conceptually related problems

Total number of solutions of sin^(4)x+cos^(4)x=sinx*cosx in [0,2pi] is equal to

Find the total number of solution of sin^(4)x+cos^(4)x=sinxcosx" in "[0,2pi] is equal to

The total number of solutions of cos x= sqrt(1- sin 2x) in [0, 2pi] is equal to

The number of solutions of sin^(4)x+cos^(4)x=sin x cos x in [0,2 pi] is/are

Find the number of solution of sin^(2)x cos^(2)x=1+cos^(2)x sin^(4)x in the interval [0,2 pi].

The number of solutions of sqrt(6-cos x+7sin^(2)x)+cos x=0

Find the number of solutions of sin^(2) x cos^(2)x=1+cos^(2)x+sin^(4) x in the interval [0,pi]

Total number of solutions of 16^(sin^(2)x)+16^(cos^(2)x)=10" in "[0,2pi] are

The number of solution of sin^(3)x cos x + sin^(2)x cos^(2)x+sinx cos^(3)x=1 in [0,2pi) is k-2 then k is ______

The total number of solution of sin^(4)x+cos^(4) x= sin x cos x in [0, 2pi]

NTA MOCK TESTS-NTA JEE MOCK TEST 102-MATHEMATICS
  1. Two natrual numbers are randomly chosen and multiplied, then the chanc...

    Text Solution

    |

  2. If alpha and beta are the roots of the equation x^(2)+x+c=0 such that ...

    Text Solution

    |

  3. In a harmonic progression t(1), t(2), t(3),……………., it is given that t(...

    Text Solution

    |

  4. The locus of the centre of the circle which makes equal intercepts on ...

    Text Solution

    |

  5. Consider the system of equations alphax+y+z = p, x+alphay+z=q and x+y+...

    Text Solution

    |

  6. The normal to the parabola y^(2)=4x at P(9, 6) meets the parabola agai...

    Text Solution

    |

  7. The number of points where f(x)=|x^(2)-3|x|-4| is non - differentiable...

    Text Solution

    |

  8. The complete set of values of alpha for which the lines (x-1)/(2)=(y-2...

    Text Solution

    |

  9. Let f(x)=2x+1 and g(x)=int(f(x))/(x^(2)(x+1)^(2))dx. If 6g(2)+1=0 then...

    Text Solution

    |

  10. Let f(x) be a cubic function such that f'(1)=f''(2)=0. If x=1 is a poi...

    Text Solution

    |

  11. The maximum value of p for which the lines 3x-4y=2, 3x-4y=12, 12x+5y=7...

    Text Solution

    |

  12. The function f:R rarr R defined as f(x)=(x^(2)-x+1)/(x^(2)+x+1) is

    Text Solution

    |

  13. The value of lim(xrarr0^(+)){x^(x^(2))+x^((x^(x)))} is equal to

    Text Solution

    |

  14. The area (in sq. units) bounded by y=lnx, y =(x)/(e ) and y - axis is ...

    Text Solution

    |

  15. Consider three vectors vecp=hati+hatj+hatk, vecq=3hati-hatj+hatk and v...

    Text Solution

    |

  16. If sintheta+sin^(2)theta=1, then prove that cos^(12)theta+3cos^(10)the...

    Text Solution

    |

  17. If y=f(x) satisfies the differential equation (dy)/(dx)+(2x)/(1+x^(2))...

    Text Solution

    |

  18. If the variance of the first 50 odd natural numbers is V(1) and the va...

    Text Solution

    |

  19. If I(1)=int(0)^((pi)/(2))e^(sinx)(1+x cos x)dx and I(2)=int(0)^((pi)/(...

    Text Solution

    |

  20. The number of solution of cos^(2)x+cos^(2)2x=2 in [0,20] is equal to

    Text Solution

    |