Home
Class 11
MATHS
sin^(2) x=1-sinx then cos^(4)x+cos^(2)x=...

`sin^(2) x=1-sinx` then `cos^(4)x+cos^(2)x=`

A

0

B

1

C

-1

D

2

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|77 Videos

  • TRIGONOMERTIC RATIOS

    AAKASH SERIES|Exercise EXERCISE - I|35 Videos

  • TRIGNOMETRIC EQUATIONS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET (ADVANCED) INTEGER TYPE QUESTIONS)|2 Videos

  • TRIGONOMETRIC EQUATIONS

    AAKASH SERIES|Exercise Practice Exercise|49 Videos

Similar Questions

Explore conceptually related problems

If sin x+sin^(2)x+sin^(3)x=1 then cos^(6)x-4cos^(4)x+8 cos^(2)x=

If sin x + sin^(2) x =1 " then " cos^(8) x + 2 cos^(6) x + cos^(4) x =

sinx + sin^(2) x = 1 rArr cos^(2) x + cos^(4) x=

int(1)/(sin^(2)x+2sin x cos x +5 cos^(2)x)dx=

Show that the range of the function f(x ) = (sin^(2) x + cos^(4) x)/( cos^(2) x+ sin^(4) x ) is a singleton set.

cos 4x =1- 8 sin ^(2) x cos ^(2) x

int(1)/(4sin^(2)x+3sin x cos x+2 cos^(2)x)dx=

If sinx + sin^(2) x = 1 , then the value of cos^(12)x +3 cos^(10) x + 3 cos^(8) x + cos^(6) x - 2 is equal to

If y= ( sin^(4) x - cos^(4) x + sin^(2) x cos^(2) x )/( sin^(4) x + cos^(4) x + sin^(2) x cos^(2) x) , x in ( 0, (pi)/(2) ) , then

int (1)/(2 sin^(2) x + 3 sin x cos x - 2 cos^(2) x ) dx =

AAKASH SERIES-TRIGONOMERTIC RATIOS-EXERCISE- II
  1. If 4 sin theta + 3 cos theta =5 then tan theta =

    Text Solution

    |

  2. If sqrt(sin x)+ cos x = 0 then sin x =

    Text Solution

    |

  3. sin^(2) x=1-sinx then cos^(4)x+cos^(2)x=

    Text Solution

    |

  4. If cos x + cos^(2) x =1 , " then " sin^(12) x + 3 sin^(10)x + 3sin^(8...

    Text Solution

    |

  5. If sec A = 5x + (1)/(20x) then sec A + tan A =

    Text Solution

    |

  6. If tan theta = p - (1)/(4p) then sec theta - tan theta =

    Text Solution

    |

  7. sqrt(1-sin^(2)100^(@))*sec 100^(@)=

    Text Solution

    |

  8. If sqrt((1+sin A)/(1-sin A))=sec A +tan A, then the quadrants in which...

    Text Solution

    |

  9. If pi/2 lt theta lt pi then sqrt((1-sin theta)/(1+sin theta))+sqrt((1+...

    Text Solution

    |

  10. If pi lt alpha lt 2pi then (1)/(Sin alpha - sqrt(cot^(2)alpha -cos^(2)...

    Text Solution

    |

  11. ((sqrt(3) + 2 cosA)/( 1-2 sin A ))^(-3) + ((1+ 2 sin A )/( sqrt(3)-2 c...

    Text Solution

    |

  12. If 2 sin x + 5 cos y + 7 sin z = 14 then 7 tan. (x)/(2) + 4 cos y - 6 ...

    Text Solution

    |

  13. If (sin alpha + "cosec" alpha )^(2) + ( cos alpha + sec alpha )^(2)=k+...

    Text Solution

    |

  14. If Sin theta + Cos theta = sqrt(3) Cos theta then 2 Cos theta - Sin ...

    Text Solution

    |

  15. If a cos theta - b sin theta = c then a sin theta + b cos theta=

    Text Solution

    |

  16. If a Sin theta + b Cos theta = c then (a-b tan theta)/(b + a tan theta...

    Text Solution

    |

  17. If sin x + cos x =a then |sin x - cos x|=

    Text Solution

    |

  18. If a sec theta + b tan theta = c then (a tan theta + b sec theta)^(2)=

    Text Solution

    |

  19. If sin theta + cos theta = a " then " sin^(4) theta + cos^(4) theta =

    Text Solution

    |

  20. If cosec^(6) theta - cot^(6) theta = a cot^(4) theta + b cot^(2) theta...

    Text Solution

    |