Home
Class 11
MATHS
Let Ssub(0,pi) denote the set of values ...

Let `Ssub(0,pi)` denote the set of values of `x` satisfying the equation `8^{1+|cos x|+cos^2x+|cos^(3x| tooo)}=4^3` . Then, `S=` `{pi//3}` b. `{pi//3,""2pi//3}` c. `{-pi//3,""2pi//3}` d. `{pi//3,""2pi//3}`

Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    CENGAGE PUBLICATION|Exercise All Questions|9 Videos

  • STRAIGHT LINES

    CENGAGE PUBLICATION|Exercise All Questions|486 Videos

Similar Questions

Explore conceptually related problems

Find the values of x in (-pi,pi) which satisfy the equation 8^(1+|cosx|+|cos^2x|+|cos^3x|+...))=4^3

Find the values of x, (-pi lt x lt pi, x ne 0) satisfying the equation , 8^(1+|cos x|+|cos^(2)x|+…oo) = 4^(3)

The number of values of yin[-2pi,2pi] satisfying the equation |sin2x|+|cos2x|=|siny| is 3 (b) 4 (c) 5 (d) 6

2 cos(pi/3 +A)=

The solution of the equation (8)^((1+[cosx absdivcos^2xabsdiv cos^3x]div....=4^3 in thge interval (-pi,pi) are

In 0 lt x lt 2pi , the no of solution (s) of the equation sin^3 x + cos^3 x = 0 is

The variable x satisfying the equation |sinxcosx|+sqrt(2+tan^2+cot^2x)=sqrt(3) belongs to the interval [0,pi/3] (b) (pi/3,pi/3) (c) [(3pi)/4,pi] (d) none-existent

The number of solutions of the equation 1+cosx+cos2x+sinx+sin2x+sin3x=0, which satisfy the condition pi/2<|3x-pi/2|lt=pi is

The smallest positive value of x (in radians) satisfying the equation (log)_(cosx)((sqrt(3))/2sinx)=2-(log)_(secx)(tanx) is (a) pi/(12) (b) pi/6 (c) pi/4 (d) pi/3

The equation 3 cos^(-1) x - pi x - (pi)/(2) =0 has

CENGAGE PUBLICATION-SEQUENCES AND SERIES-All Questions
  1. Let a1 , a2 ,... be in harmonic progression with a1 = 5 and a20 = 25. ...

    Text Solution

    |

  2. An infinite G.P. has first term as a and sum 5, then a belongs to a) |...

    Text Solution

    |

  3. Let Ssub(0,pi) denote the set of values of x satisfying the equation 8...

    Text Solution

    |

  4. Find the number of terms of a G.P. whose first term is ¾, common ratio...

    Text Solution

    |

  5. In an A.P. (with usual notations) : (i) given a = 7, a13 = 35, find ...

    Text Solution

    |

  6. Find the geometric progression whose 4th term is 54 and the 7th term i...

    Text Solution

    |

  7. The first term of G.P. is 27 and 8th term is 1/81. Find the sum of its...

    Text Solution

    |

  8. The greatest integer by which 1+sum(r=1)^(30)rxxr ! is divisible is a....

    Text Solution

    |

  9. (lim)(ntooo)sum(r=1)^n r/(1xx3xx5xx7xx9xx.....xx(2r+1)) is equal to 1/...

    Text Solution

    |

  10. Value of (1+1/3)(1+1/(3^2))(1+1/(3^4))(1+1/(3^8))........oo is equal ...

    Text Solution

    |

  11. Find the third term of a G.P. whose common ratio is 3 and the sum of w...

    Text Solution

    |

  12. If sum of an infinite G.P. : p ,1,1//p ,1//p^2, ........ is 9//2 then ...

    Text Solution

    |

  13. The sum of i-2-3i+4 up to 100 terms, where i=sqrt(-1) is 50(1-i) b. 2...

    Text Solution

    |

  14. The 24th term of an A.P. is twice its 10th term. Show that its 72nd te...

    Text Solution

    |

  15. If the seventh term of an A.P. is 1/9 and its ninth term is 1/7, find ...

    Text Solution

    |

  16. For the series, S=1+1/((1+3))(1+2)^2+1/((1+3+5))(1+2+3)^2+1/((1+3+5+7)...

    Text Solution

    |

  17. If the first and the (2n-1)^th term of an A.P,G.P anf H.P are equal an...

    Text Solution

    |

  18. Find the value of k for which k+12, k-6, 3 are in GP.

    Text Solution

    |

  19. IF a(1),a(2),a(3),"...."a(10) be in AP and h(1),h(2),h(3),"...."h(10) ...

    Text Solution

    |

  20. The harmonic mean of the roots of the equation (5+sqrt(2))x^2-(4+sqrt(...

    Text Solution

    |