Home
Class 14
MATHS
If cos x + cos^2 x = 1, then what is the...

If `cos x + cos^2 x = 1`, then what is the value of `sin^2 x + sin^4 x` ?

A

a)`0`

B

b)`1`

C

`2`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIO OF SPECIFIC ANGLES

    LUCENT PUBLICATION|Exercise Exercise 10B|10 Videos

  • TRIGONOMETRIC RATIO OF SPECIFIC ANGLES

    LUCENT PUBLICATION|Exercise Exercise 10B|10 Videos

  • QUADRILATERAL

    LUCENT PUBLICATION|Exercise Exercise 7B|6 Videos

Similar Questions

Explore conceptually related problems

If sin x cos x = 1//2 , then what is the value of sin x - cos x ?

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

If sin x + sin^(2)x = 1 , then what is the value of cos^(8)x + 2 cos^(6)x + cos^(4)x ?

If 2cos x+sin x=1, then find the value of 7cos x+6sin x

" If "cos x+cos^(2)x+cos^(3)x=1" ,then the value of "sin^(6)x-4sin^(4)x+8sin^(2)x" is"

If 3sin x+4 cos x=2, then the value of 3 cos x -4 sin x is equal to:

LUCENT PUBLICATION-TRIGONOMETRIC RATIO OF SPECIFIC ANGLES-Exercise 10A
  1. If sin(x+54^(@))=cosx , where 0ltx,x+54^(@)lt90^(@) than what is the v...

    Text Solution

    |

  2. If xcos60^(@)+ycos0^(@)=3 and 4xsin30^(@)-ycot45^(@)=2, then what is t...

    Text Solution

    |

  3. If cos x + cos^2 x = 1, then what is the value of sin^2 x + sin^4 x ?

    Text Solution

    |

  4. If x + y = 90^@ and sin x : sin y = sqrt(3): 1, then what is x : y equ...

    Text Solution

    |

  5. If 0lexle(pi)/(2) then which one of the following is always true ?

    Text Solution

    |

  6. If p = tan^2 x + cot^2 x, then which one of the following is correct ?

    Text Solution

    |

  7. value of (5sin75^(@)sin77^(@)+2cos13^(@)cos15^(@))/(cos15^(@)sin77^(@)...

    Text Solution

    |

  8. If 0 lt x lt 45^(@) and 45^(@) lt y lt 90^(@), then which one of the f...

    Text Solution

    |

  9. What is the value of sin^(3) 60^(@) cot 30^(@) - 2 sec^(2) 45^(@) + 3 ...

    Text Solution

    |

  10. If tan theta = (p)/(q), then what is (p sec theta - q cosec theta)/(p ...

    Text Solution

    |

  11. The value of cosec^(2) theta -2 + sin^(2) theta is always

    Text Solution

    |

  12. If cot theta = (2xy)/(x^(2) - y^(2)), then what is cos theta equal to ...

    Text Solution

    |

  13. For what value of theta, is (tan theta + cosec theta) = 2.5 where 0 lt...

    Text Solution

    |

  14. If 0ltthetaltphilt90^(@) then which one of the following is true ?

    Text Solution

    |

  15. If tantheta=(2t)/(1-t^(2)) then sin theta+cos theta equals

    Text Solution

    |

  16. If 0 le theta lt pi/2 and p= ssec^(2)theta then which one of the follo...

    Text Solution

    |

  17. In a triangle ABC, angleABC = 90^(@), angleACB = 30^(@), AB= 5 cm. Wha...

    Text Solution

    |

  18. If 0 le theta lt pi/2 and costheta + sqrt(3) sin theta =2, then what ...

    Text Solution

    |

  19. Suppose ABC is a right angled triangle with right angled at C . If len...

    Text Solution

    |

  20. ABC is a right triangle with right angle at A. If the value of tan B =...

    Text Solution

    |