Home
Class 11
MATHS
If sec x cos 5x + 1 =0, 0 lt x lt 2pi, t...

If `sec x cos 5x + 1 =0, 0 lt x lt 2pi`, then x =

Text Solution

Verified by Experts

The correct Answer is:
`x=(2n+1)(pi)/(6),orx=(2n+1)(pi)/(4),ninz`
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS

    CBSE COMPLEMENTARY MATERIAL|Exercise VERY SHORT ANSWER TYPE QUESTIONS|20 Videos

  • STRAIGHT LINES

    CBSE COMPLEMENTARY MATERIAL|Exercise SECTION-D (LONG ANSWER TYPE QUESTIONS )|23 Videos

Similar Questions

Explore conceptually related problems

If sec x cos 5x+1=0 , where 0lt x lt 2pi , then x=

If 0 lt x lt pi/2 then

If 0 lt x lt pi/2 then

If 0 lt x lt pi /2 then

If sec x cos 5x=-1 and 0 lt x lt (pi)/(4) , then x is equal to

If sin x - cos x = 0, 0^(@) lt x lt 90^(@) then the value of ( sec x + cosec x)^(2) is:

If cosx = (1)/(2) and 0 lt x lt 2pi then solutions are

If tan x = 1, 0 lt x lt 90^(@) , then what is the value of 2 sin x cos x?

CBSE COMPLEMENTARY MATERIAL-TRIGONOMETRIC FUNCTIONS -SHORT ANSWER TYPE QUESTIONS
  1. A horse is tied to a post by a rope. If the horse moves along a circul...

    Text Solution

    |

  2. Find the minimum and maximum value of sin^(4)x+cos^(2) x where x in R

    Text Solution

    |

  3. If sec x cos 5x + 1 =0, 0 lt x lt 2pi, then x =

    Text Solution

    |

  4. Solve : sqrt(3)cosx - sin=1.

    Text Solution

    |

  5. Solve 2 tan^(2)x + sec^(2) x= 2

    Text Solution

    |

  6. sqrt(2)sectheta+tantheta=1

    Text Solution

    |

  7. Solve 3 tan x + cot x = 5 cosec x

    Text Solution

    |

  8. find x if 3tan(x-1 5^(@))=tan(x+1 5^(@))

    Text Solution

    |

  9. Solve tan x+tan 2x + sqrt3 tan x tan 2x= sqrt3

    Text Solution

    |

  10. Solve tan x+secx = sqrt3

    Text Solution

    |

  11. If secx=sqrt2 and (3pi)/(2)lt x lt 2pi find the value of (1-tanx-cosec...

    Text Solution

    |

  12. Prove that sin10^(@) sin 30^(@) sin 50^(@) sin 70^(@)=1/16

    Text Solution

    |

  13. Let f(theta)=cottheta/(1+cottheta) and alpha+beta=(5pi)/4 then the va...

    Text Solution

    |

  14. Prove that tan 70^(@) = "tan " 20^(@) + 2"tan " 50^(@)

    Text Solution

    |

  15. Prove that tan13x = tan 4x + tan 9x + tan 4x tan 9x tan 13x

    Text Solution

    |

  16. Prove that (tan 5theta + tan 3theta)/(tan 5theta - tan 3theta) = 4 c...

    Text Solution

    |

  17. Prove the following Identities (cosx+sinx)/(cosx-sinx)-(cosx-sinx)/...

    Text Solution

    |

  18. Prove the following Identities (cos 4x sin 3x - cos 2xsin x)/(sin 4...

    Text Solution

    |

  19. Prove the following Identities (1+sin theta-costheta)/(1+ sintheta+...

    Text Solution

    |

  20. tanalpha.tan(60^@-alpha).tan(60^@+alpha)=tan3alpha

    Text Solution

    |