Home
Class 12
MATHS
The solution of the equation cos ^(2) x ...

The solution of the equation `cos ^(2) x - 2 cos x = 4 sin x ` is `+4 sin ^(2) x (0 le x le pi)`

A

`pi + tan ^(-1) ((-1)/(2))`

B

`pi - cot^(-1) ((1)/(2))`

C

`pi - tan ^(-1) 2`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA TPC JEE MAIN TEST 43

    NTA MOCK TESTS|Exercise MATHEMATICS |30 Videos

  • NTA TPC JEE MAIN TEST 45

    NTA MOCK TESTS|Exercise MATHEMATICS|30 Videos

Similar Questions

Explore conceptually related problems

The solution of the equation "cos"^(2) x-2 "cos" x = 4 "sin" x - "sin" 2x (0 le x le pi) , is

The number of real solution of the equation sqrt(1 + cos 2x) = sqrt2 sin^(-1) (sin x), -pi le x le pi , is

Find the number of solutions of the equation 2 sin^(2) x + sin^(2) 2x = 2 , sin 2x + cos 2x = tan x in [0, 4 pi] satisfying the condition 2 cos^(2) x + sin x le 2 .

The solutions of the equation 1+(sin x - cos x)"sin" pi/4=2 "cos"^(2) (5 x)/2 is/are

The number of solution of the equation 2 "sin"^(3) x + 2 "cos"^(3) x - 3 "sin" 2x + 2 = 0 "in" [0, 4pi] , is

Number of solutions of equation 2"sin" x/2 cos^(2) x-2 "sin" x/2 sin^(2) x=cos^(2) x-sin^(2) x for x in [0, 4pi] is

The number of solution of sin^(4)x-cos^(2) x sin x+2 sin^(2)x+sin x=0 in 0 le x le 3 pi is

NTA MOCK TESTS-NTA TPC JEE MAIN TEST 44-MATHEMATICS
  1. Tangent to parabola y ^(2) = 4 p ( x +1) cuts hyperbola xy = 2 I A an...

    Text Solution

    |

  2. A line passes through (2,2) and is perpendicular to the line 3x + y = ...

    Text Solution

    |

  3. The equation of a plane containing the line of intersection of the pla...

    Text Solution

    |

  4. Let veca, vecb, vecc be 3 mutually perpendicular unit vectors. If an u...

    Text Solution

    |

  5. The value of lim ( x to0) ((1 + 4x + x ^(2)) ^((1)/(x) ) - (1 + 4x - 5...

    Text Solution

    |

  6. Let f (x) = {{:((sin ax ^(2))/(x ^(2)),, x ne 0),( (3)/(4) + (1)/(4a)...

    Text Solution

    |

  7. The general solution of the differential equation, sin 2x ((dy)/(dx...

    Text Solution

    |

  8. If int (dx)/( cos ^(3) x sqrt(2 sin 2x)) = (tan x ) ^(4) + C (tan x ) ...

    Text Solution

    |

  9. The value of prod (r =) ^( 7) cos ""(pi r )/(15) is

    Text Solution

    |

  10. The solution of the equation cos ^(2) x - 2 cos x = 4 sin x is +4 sin...

    Text Solution

    |

  11. The domain set of defination of the function f (x) = sqrt ( cos (sin ...

    Text Solution

    |

  12. Which is a contradiction from the following ?

    Text Solution

    |

  13. Let , A is a non-singular idempotent matrix of order 3 xx 3 and B is a...

    Text Solution

    |

  14. If a, b, c, d and e ar positive ral numbers such that a + b + c + d...

    Text Solution

    |

  15. A circular sector is formed by a thread of length l, Then the ratio of...

    Text Solution

    |

  16. The mean and standard deviation of 20 observations are found to be 10 ...

    Text Solution

    |

  17. If 'A' is the number of ways such that the number 7056 can be resolved...

    Text Solution

    |

  18. Let f be a function such that f (x) + f ((1)/(1 -x)) = (2 (1 - 2x ))/(...

    Text Solution

    |

  19. Let the area of the region bounded by x + 1 = 0, y = 0, y = x ^(2) + ...

    Text Solution

    |

  20. If hata is parallel to the line of intersection of the plane determine...

    Text Solution

    |