Home
Class 12
MATHS
The number of values of x in the interva...

The number of values of x in the interval `[0,5pi]` satisfying the equation `3sin^(2)x - 7sinx + 2 =0` is :

A

0

B

5

C

6

D

10

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • MAXIMA AND MINIMA

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|167 Videos
  • Pair Of Lines

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|129 Videos

Similar Questions

Explore conceptually related problems

The number of values of x in the interval [0, 3pi] satisfying the equation 2sin^(2)x + 5sinx - 3 = 0 is :

Find the number of value of x in [0,5pi] satisying the equation 3 cos^2 x -10 cos x +7=0

The number of values of theta in the interval (-pi/2,pi/2) satisfying the equation (sqrt(3)) ^ sec^2theta = tan^4theta+2tan^2theta is

The number of value of alpha in the interval [-pi,0] satisfying sin alpha +int_(alpha )^(2alpha) cos 2 x dx =0 , then

Solve the equation 5 sin^(2)x-7 sinx cos x + 16 cos^(2)x=4

The number of integral pairs (x, y) satisfying the equation 2x^(2)-3xy-2y^(2)=7 is :

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

Find the values of theta in the interval (-pi/2,pi/2) satisfying the equation (1-tantheta)(1+tantheta)sec^2theta+2^tan2θ =0

HIMALAYA PUBLICATION-MEASUREMENT OF ANGLES, TRIGONOMETRIC RATIOS AND RELATION BETWEEN SIDES AND ANGLES OF A TRIANGLE-QUESTION BANK
  1. In a triangle ABC, if (cos A)/(a) = (cos B)/(b)= (cos C)/(c ) and a=2 ...

    Text Solution

    |

  2. 3(sinx-cosx)^(4)+6(sinx+cosx)^(2)+4(sin^(6)x+cos^(6)x)=

    Text Solution

    |

  3. The number of values of x in the interval [0,5pi] satisfying the equat...

    Text Solution

    |

  4. In a triangle PQR, /R = pi//2, If tan(P//2). and tan(Q//2) are the roo...

    Text Solution

    |

  5. The maximum value of : (cosalpha(1)).(cosalpha(2))....(cosalpha(n)) un...

    Text Solution

    |

  6. A man from the top of a 100 metres high lower sees a car towards the t...

    Text Solution

    |

  7. If 0ltthetalt2pi, then the intervals of values of theta for which 2sin...

    Text Solution

    |

  8. Given A=sin ^(2) theta+cos ^(4) theta then for all real theta

    Text Solution

    |

  9. (3 cos theta+cos 3 theta)/(3 sin theta-sin 3 theta)=

    Text Solution

    |

  10. If x=sqrt((1-cos theta)/(1+cos theta)), then (2 x)/(1-x^(2))=

    Text Solution

    |

  11. cos alpha sin (beta-gamma)+cos beta sin (gamma-alpha) +cos gamma(sin a...

    Text Solution

    |

  12. cos 12^(circ)+cos 84^(circ)+cos 156^(circ)+cos 132^(circ)=

    Text Solution

    |

  13. In a DeltaABC, tan.(A)/(2)=(5)/(6), tan.(C)/(2)=(2)/(5), then

    Text Solution

    |

  14. If the angles of depression of the upper and lower ends of a lamp post...

    Text Solution

    |

  15. A tower, x metres, has a flagstaff at its top. The tower and the flags...

    Text Solution

    |

  16. cos 12^(circ)+cos 84^(circ)+cos 156^(circ)+cos 132^(circ)=

    Text Solution

    |

  17. The value of : sin""(pi/7).sin""((3pi)/14).sin""((5pi)/14).sin""((7pi)...

    Text Solution

    |

  18. Let f(theta) =sin theta(sin theta + sin3theta) then f(theta) :

    Text Solution

    |

  19. In a triangle ABC, 2casin.(A-B+C)/(2)=

    Text Solution

    |

  20. If sin x+sin ^(2) x=1 then the value of cos ^(2) x+cos ^(4) x is

    Text Solution

    |