Home
Class 11
MATHS
if sin x + sin^2 x = 1, then the value ...

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

A

0

B

2

C

1

D

3

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHS,LOGARITHIM, TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION

    ALLEN|Exercise EXERCISE (JA)|16 Videos

  • BASIC MATHS,LOGARITHIM, TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION

    ALLEN|Exercise EXERCISE (JM)|16 Videos

  • BASIC MATHS,LOGARITHIM, TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION

    ALLEN|Exercise DO YOURSELF 12|1 Videos

  • BASIC MATHS LOGARITHIM TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION

    ALLEN|Exercise ILLUSTRATIONS|39 Videos

  • SOLUTION AND PROPERTIES OF TRIANGLE

    ALLEN|Exercise All Questions|62 Videos

Similar Questions

Explore conceptually related problems

if sin x+sin^(2)x=1, then the value of cos^(2)x+cos^(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 sin x+sin^(2)x=1, then the value of cos^(2)x+cos^(4)x+cot^(4)x-cot^(2)x is

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

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

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

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

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

ALLEN-BASIC MATHS,LOGARITHIM, TRIGNOMETRIC RATIO AND IDENTITIES AND TRIGNOMETRIC EQUATION -EXERCISE (O-1)
  1. Solution set of the inequality, 2-log(2)(x^(2)+3x) ge0 is-

    Text Solution

    |

  2. If (log(1/3))(3x-1)/(x+2) is less than unity, then 'x' must lie in the...

    Text Solution

    |

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

    Text Solution

    |

  4. The value for 2(sin^6theta+cos^6theta)-3(sin^4theta+cos^4theta)+1 is

    Text Solution

    |

  5. If tanA=-1/2 and tanB=-1/3, (where A, B gt 0), then A+B can be

    Text Solution

    |

  6. The value of cos^(2)48^(@)-sin^(2)12^(@) is

    Text Solution

    |

  7. The expression (sin8thetacostheta-sin6thetacos3theta)/(cos2thetacosthe...

    Text Solution

    |

  8. If 3sinalpha=5sinbeta, then (tan((alpha+beta)/2))/(tan((alpha-beta)/2)...

    Text Solution

    |

  9. (sin(A-C)+2sinA+sin(A+C))/(sin(B-C)+2sinB+sin(B+C)) is equal to-

    Text Solution

    |

  10. (1+sin2theta+cos2theta)/(1+sin2theta-cos2theta)=

    Text Solution

    |

  11. If A=tan6^0tan42^0 and B=cot66^0cot78^0 , then

    Text Solution

    |

  12. If x=ycos((2pi)/3)=zcos((4pi)/3), then xy+yz+zx=

    Text Solution

    |

  13. If tanalpha=(1+2^(-x))^(-1), tanbeta=(1+2^(x+1))^(-1), then alpha+beta...

    Text Solution

    |

  14. If tanA+tanB+tanC=tanA.tanB.tanC, then-

    Text Solution

    |

  15. The value of sin10^(@)+2sin20^(@)+sin30^(@)+….+sin360^(@) is equal to

    Text Solution

    |

  16. The number of real solutions of the equation sin(e^x)=2^x+2^(-x) is

    Text Solution

    |

  17. If f(x)=sin(3x)/sin x,x!=npi, then the range of values of f(x) for ...

    Text Solution

    |

  18. If cosx+cosy+cosalpha=0 and sinx + siny + sinalpha=0, then cot((x+y)/2...

    Text Solution

    |

  19. The value of sin(pi/14)sin((3pi)/14)sin((5pi)/14) is

    Text Solution

    |

  20. Maximum and minimum value of 2sin^(2)theta-3sintheta+2 is-

    Text Solution

    |