Home
Class 12
MATHS
If sin^2theta1+sin^2theta2+sin^2theta3=0...

If `sin^2theta_1+sin^2theta_2+sin^2theta_3=0,` then which of the following is not the possible value of `costheta_1+costheta_2+costheta_3?` 3 (b) `-3` (c) `-1` (d) `-2`

Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    RESONANCE DPP|Exercise All Questions|15 Videos

  • MATRICES

    RESONANCE DPP|Exercise All Questions|7 Videos

Similar Questions

Explore conceptually related problems

If sin^(2)theta_(1)+sin^(2)theta_(2)+sin^(2)theta_(3)=0, then which of the following is not the possible value of cos theta_(1)+cos theta_(2)+cos theta_(3)?3(b)-3(c)-1(d)-2

If sin^2theta_1+sin^2theta_2+...+sin^2theta_n=0 , then find the minimum value of costheta_1+costheta_2+...+costheta_n .

If sin theta_1 + sin theta_2 + sintheta_3 =3 then cos theta_1 + cos theta_2 + costheta_3 is equal to

costheta-cos2theta=sin3theta

Solve: sin^(2)theta+2costheta+1/4=0

If 2sin^(2)theta+sqrt(3)costheta+1=0 , then the value of theta is

(sintheta+sin2theta)/(1+costheta+cos2theta) =

(sintheta+sin2theta)/(1+costheta+cos2theta)=?

RESONANCE DPP-JEE MAINS-All Questions
  1. Let f(x) polynomial of degree 5 with leading coefficient unity such th...

    Text Solution

    |

  2. If a function satisfies (x-y)f(x+y)-(x+y)f(x-y)=2(x^2 y-y^3) AA x, y i...

    Text Solution

    |

  3. If sin^2theta1+sin^2theta2+sin^2theta3=0, then which of the following ...

    Text Solution

    |

  4. The number of values of a for which equations x^3+a x+1=0a n dx 64+a x...

    Text Solution

    |

  5. If Sn=1^2+(1^2+2^2)+(1^2+2^2+3^2)+ upto n terms, then Sn=(n(n+1)^2(n+2...

    Text Solution

    |

  6. Let f(x) be a fourth differentiable function such f(2x^2-1)=2xf(x)AA x...

    Text Solution

    |

  7. Let f^(x) be continuous at x=0 If ("lim")(xvec0)(2f(x)-3a(f(2x)+bf(8x...

    Text Solution

    |

  8. lf a^2x^2 + bx + c =0 has roots alpha and beta(alpha lt beta) and -p^...

    Text Solution

    |

  9. If A={x:x^(2)-5x+6=0},B={2,4},C={4,5} then find Axx(BnnC)

    Text Solution

    |

  10. If alpha, beta, gamma be angles which a straighat line makes with the ...

    Text Solution

    |

  11. If the expression cos(x-(3pi)/2)+sing((3pi)/2+x)+sin(32pi+x)-18cos(19...

    Text Solution

    |

  12. lim(x->c) (loge[x])/x where [.] denotes the gif is

    Text Solution

    |

  13. The value of ("lim")(xvec0)(e^(2x)-cos x-"ln"(1+2x))/(xtanx-sinx)i s ...

    Text Solution

    |

  14. alpha,beta,gammaa n ddelta are the smallest positive angle in ascendin...

    Text Solution

    |

  15. Consider the function f defined by f(x)=(0,x=0 or x is irrational 1/...

    Text Solution

    |

  16. if m belongs to [-1,0], then prove that the equation sin^4 x+ (m+1) si...

    Text Solution

    |

  17. Prove the trigonometric identities: (1-sintheta)/(1+sintheta)=(secthet...

    Text Solution

    |

  18. Let f: R->R be a continuous function and f(x)=f(2x) is true AAx in ...

    Text Solution

    |

  19. ("lim")(nvecoo)[sum(r=1)^n1/(2^r)],"where "[dot]" denotes G I F is equ...

    Text Solution

    |

  20. Consider the equation x ^(3) -ax ^(2) +bx-c=0, where a,b,c are ration...

    Text Solution

    |