Home
Class 11
MATHS
If sin theta, 1, cos 2 theta are in G....

If `sin theta, 1, cos 2 theta ` are in G.P. then the general values of `theta`

A

`theta=n pi +(-1)^(n)(pi)/2, n in Z`

B

`theta=n pi +(-1)^(n)(pi)/2, n in Z`

C

`theta=n pi +(-1)^(n)(pi)/6,n in Z`

D

`theta=n pi +(-1)^(n-1)(pi)/6, n in Z`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE- IV (More than one correct answerType Questions)|3 Videos

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE- IV (More than one correct answer Type Questions)|1 Videos

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise LECTURE SHEET (EXERCISE-III (INTEGER TYPE QUESTIONS )|1 Videos

  • TRANSFORMATIONS

    AAKASH SERIES|Exercise PRACTICE SHEET (EXERCISE-I LEVEL-I Straight Objective Type Questions)|41 Videos

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|77 Videos

Similar Questions

Explore conceptually related problems

If sin theta , cos theta, tan theta are in G.P then cos^(9) theta + cos^(6) theta + 3 cos^(5) theta -1 =

If sin theta, cos theta, tan theta are in GP then cos^(9)theta + cos^(6) theta + 3 cos^(5) theta=

If 1/6 sin theta, cos theta, tan theta are in G.P. then theta is equal to (n in Z)

If (2 sin theta )/(1+ cos theta + sin theta )=x, find the value of (1- cos theta + sin theta )/(1+ sin theta )

If cos2theta=sin4theta , here 2theta and 4theta are acute angles, then the value of theta is

If 1+sin^(2)theta = 3 sin theta cos theta , then theta =

If A=sin^(2) theta + cos^(4) theta , then for all values of theta , where

If cos theta + sin theta =a , " then " sin 2 theta =

If (sin theta)/(1 - cos theta) + (sin theta)/(1 + cos theta) = 4(0^@ < theta < 90^@), then find the value of theta .

AAKASH SERIES-TRIGNOMETRIC EQUATIONS-LECTURE SHEET (EXERCISE- IV (Straight Objective Type Questions)
  1. The number of distinct real roots of |(sinx, cosx, cosx),(cosx, sinx, ...

    Text Solution

    |

  2. If |[1+sin^(2)theta,cos^(2)theta,4sin4theta],[sin^(2)theta, 1+cos^(2)t...

    Text Solution

    |

  3. The number of all possible values of theta where 0 lt theta lt pi for ...

    Text Solution

    |

  4. Sum of roots of the equation x ^(4) - 2 x ^(2) sin ^(2)""(pi x)/(2) + ...

    Text Solution

    |

  5. sinx+cosx=y^(2)-y+a has no value of x for any value of y if a belongs ...

    Text Solution

    |

  6. The number of non similar isosceles possible triangle's such that tan...

    Text Solution

    |

  7. If sin theta, 1, cos 2 theta are in G.P. then the general values of ...

    Text Solution

    |

  8. Let alpha and beta be any two positive values of x for which 2 cos x,|...

    Text Solution

    |

  9. The value of k if the equation 2cosx +cos2kx=3 has only one solution i...

    Text Solution

    |

  10. If a,b in [0,2pi] and the equation x^(2)+4+3sin(ax+b)-2x=0 has at leas...

    Text Solution

    |

  11. Find all values of x in (-pi,pi) satisfying the equation 8^(1+cosx+cos...

    Text Solution

    |

  12. If exp [(sin^(2)x+sin^(4)x+sin^(6)x+……………."to"oo)"In"2] is a root of t...

    Text Solution

    |

  13. The general solution of the equation (1-sinx+sin^(2)x...+(-1)^(n)sinx....

    Text Solution

    |

  14. Let S = [ a in N,a le 100] . If the equation [Tan^(2)x] - Tan x = a = ...

    Text Solution

    |

  15. The number of values of y in [-2pi,2pi] satisfying the equation |sin2x...

    Text Solution

    |

  16. The total number of solutions of sin[x]=cos{x} (where {.} denotes the ...

    Text Solution

    |