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  • Question 1
    1 / -0

    The value of $$\displaystyle {\text{cosec} }^{ 2 }{ 67 }^{ o }-{ \tan }^{ 2 }{ 23 }^{ o }$$ is :

  • Question 2
    1 / -0

    The value of $$\displaystyle \frac { \cos { \left( { 90 }^{ o }-A \right)  }  }{ \text{cosec}\left( { 90 }^{ o }-A \right)  } \times \frac { \cot{ \left( { 90 }^{ o }-A \right)  } }{ \sin { A }  } $$ is

  • Question 3
    1 / -0

    The value of $$\displaystyle { \left( \frac { \sin { { 47 }^{ o } }  }{ \cos { { 43 }^{ o } }  }  \right)  }^{ 2 }+{ \left( \frac { \cos { { 43 }^{ o } }  }{ \sin { { 47 }^{ o } }  }  \right)  }^{ 2 }-4{ \cos }^{ 2 }{ 45 }^{ o }$$ is :

  • Question 4
    1 / -0

    The value of $$\displaystyle \frac { 2\cos { { 67 }^{ o } }  }{ \sin { { 23 }^{ o } }  } -\frac { \tan { { 40 }^{ o } }  }{ \cot { { 50 }^{ o } }  } $$ is :

  • Question 5
    1 / -0

    The value of $$\displaystyle \frac { \cot { { 50 }^{ o } }  }{ \tan { { 40 }^{ o } }  } $$ is :

  • Question 6
    1 / -0

    The value of $$\displaystyle \frac { \tan { { 49 }^{ o } }  }{ \cot { { 41 }^{ o } }  } $$ is :

  • Question 7
    1 / -0

    The value of $$\displaystyle \frac { \cot { { 40 }^{ o } }  }{ \tan { { 50 }^{ o } }  } -\frac { 1 }{ 2 } \left( \frac { \cos { { 35 }^{ o } }  }{ \sin { { 55 }^{ o } }  }  \right) $$ is 

  • Question 8
    1 / -0

    The value of $$\displaystyle \frac { \cos { \left( { 90 }^{ o }-A \right)  }  }{ 1+\sin { \left( { 90 }^{ o }-A \right)  }  } +\frac { 1+\sin { \left( { 90 }^{ o }-A \right)  }  }{ \cos { \left( { 90 }^{ o }-A \right)  }  } $$ is equal to :

  • Question 9
    1 / -0

    The value of $$\displaystyle \frac { \cos { { 75 }^{ o } }  }{ \sin { { 15 }^{ o } }  } +\frac { \sin { { 12 }^{ o } }  }{ \cos { { 78 }^{ o } }  } -\frac { \cos { { 18 }^{ o } }  }{ \sin { { 72 }^{ o } }  } $$ is :

  • Question 10
    1 / -0

    The value of $$\displaystyle \frac { \cos { { 70 }^{ o } }  }{ \sin { { 20 }^{ o } }  } +\frac { \cos { { 59 }^{ o } }  }{ \sin { { 31 }^{ o } }  } -8{ \sin }^{ 2 }{ 30 }^{ o }$$ is :

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