Home
Class 11
MATHS
If 2t a n^2alphat a n^2betat a n^2gamm...

If `2t a n^2alphat a n^2betat a n^2gamma+t a n^2alphat a n^2beta+t a n^2betat a n^2gamma+t a n^2gammat a n^2alpha=1,` prove that `s i n^2alpha+s i n^2beta+s i n^2gamma=1` .

Text Solution

AI Generated Solution

To prove that \( \sin^2 \alpha + \sin^2 \beta + \sin^2 \gamma = 1 \) given the equation \[ 2 \tan^2 \alpha \tan^2 \beta \tan^2 \gamma + \tan^2 \alpha \tan^2 \beta + \tan^2 \beta \tan^2 \gamma + \tan^2 \gamma \tan^2 \alpha = 1, \] we will follow these steps: ...
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC EQUATIONS

    RD SHARMA|Exercise Solved Examples And Exercises|120 Videos
  • TRIGONOMETRIC RATIOS OF COMPOUND ANGLES

    RD SHARMA|Exercise Solved Examples And Exercises|149 Videos

Similar Questions

Explore conceptually related problems

If tan^(2)alpha tan^(2)beta+tan^(2)beta tan^(2)gamma+tan^(2)gamma tan^(2)alpha+2tan^(2)alpha tan^(2)beta tan^(2)gamma= 1 .(where alpha,beta,gamma in R-{(n pi)/(2)},n in I ) Value of cos2alpha+cos2 beta+cos2gamma is equal to -

If n tan alpha=(n+1)tan beta then show that tan(alpha-beta)=(sin2 beta)/(2n+1-cos2 beta)

If tan(alpha+beta)=n tan(alpha-beta) then show that (n+1)sin2 beta=(n-1)sin2 alpha

Prove that : tan^(-1){(cos2\ alphasec2\ beta+cos2betasec2alpha)/2}=tan^(-1){t a n^2(alpha+beta)t a n^2(alpha-beta)}+tan^(-1)1

if tan beta=(n sin alpha cos beta)/(1-n sin^(2)alpha) then prove that tan(alpha-beta)=(1-n)tan alpha

if tan beta=(n sin alpha cos beta)/(1-n sin^(2)alpha) then prove that tan(alpha-beta)=(1-n)tan alpha

Prove that: tan alpha +2tan 2alpha+ 2^(2)tan 2^(2)alpha +..... + 2^(n-1) tan 2^(n-1)alpha + 2^n cot 2^n alpha=cotalpha .

alpha and beta are the roots of x^2-x-1=0 and S_n=2023 alpha^n 2024 beta^n then

If (cos alpha)/(cos beta)=m and (cos alpha)/(sin beta)=n show that (m^(2)+n^(2))cos^(2)beta=n^(2)

If alpha and beta be root of x^2-6x-2=0 with alpha gt beta if a_n=alpha^n-beta^n for n ge 1 then the value of (a_(10)-2a_8)/(3a_9)

RD SHARMA-TRIGONOMETRIC FUNCTIONS-Solved Examples And Exercises
  1. If t a n^2theta=1-a^2 , prove that sectheta+t a n^3thetacos e ctheta=...

    Text Solution

    |

  2. If acos^2theta+3acostheta sin^2theta=m and asin^3theta+3acos^2thetasin...

    Text Solution

    |

  3. If 2t a n^2alphat a n^2betat a n^2gamma+t a n^2alphat a n^2beta+t a ...

    Text Solution

    |

  4. If m^2 + m'^2 + 2mm' costheta = 1 and n^2+n'^2+2n n'costheta=1, (mn +...

    Text Solution

    |

  5. If (sin^4theta)/a+(cos^4theta)/b=1/(a+b) , prove that (sin^8theta)/...

    Text Solution

    |

  6. If (cos^4alpha)/(cos^2beta)+(sin^4alpha)/(sin^2beta)=1 prove that (i...

    Text Solution

    |

  7. If x is any non-zero real number, show that costheta' a n d ' sinthet...

    Text Solution

    |

  8. If A=cos^2theta+sin^4theta, prove that 3/4lt=Alt=1 for all values of...

    Text Solution

    |

  9. If tantheta+sectheta=e^x then costheta equals

    Text Solution

    |

  10. Prove that:sqrt((1-costheta)/(1+costheta))={cosectheta-cottheta,if 0 <...

    Text Solution

    |

  11. If sec theta=sqrt(2)a n d(3pi)/2<theta<2pi ,="" find="" the="" value="...

    Text Solution

    |

  12. Prove the following identities: sin^8theta-cos^8theta=(sin^2theta-cos^...

    Text Solution

    |

  13. Prove the following identities: cot^4theta+cot^2theta=cos e c^4theta-c...

    Text Solution

    |

  14. Prove the following identities: 2sec^2theta-sec^4theta-2cos e c^2theta...

    Text Solution

    |

  15. Prove the following identities: (sintheta+cos e ctheta)^2+(costheta+s...

    Text Solution

    |

  16. Prove the following identity: (1+cottheta-cos e ctheta)(1+t a ntheta+s...

    Text Solution

    |

  17. Prove the following identity: (t a ntheta+s e ctheta-1)/(t a ntheta-s ...

    Text Solution

    |

  18. If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...

    Text Solution

    |

  19. If acostheta+b sintheta=x and asintheta-bcostheta=y prove that a^2+...

    Text Solution

    |

  20. If tan theta +sin theta =m and tan theta -sin theta =n then prove m^2-...

    Text Solution

    |