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  • Question 1
    1 / -0

    The value of $$\displaystyle \tan { { 5 }^{ o } } .\tan { { 85 }^{ o } } .\tan { { 31 }^{ o } } .\tan { { 5 }9^{ o } } .\tan { { 45 }^{ o } } $$ is :

  • Question 2
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    Find the value of $$\displaystyle \cos { \left( { 90 }^{ o }-A \right)  } \tan { \left( { 90 }^{ o }-A \right)  } \sec { \left( { 90 }^{ o }-A \right)  } $$

  • Question 3
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    The value of $$\displaystyle \frac { \sin { { 60 }^{ o } }  }{ { \cos }^{ 2 }{ 45 }^{ o } } -\cot{ { 30 }^{ o } }+5\cos { { 90 }^{ o } } $$ is :

  • Question 4
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    If  $$\displaystyle \theta ={ 45 }^{ o }$$, then $$\displaystyle2 \sin { \theta  } cos{ \theta }$$ is :

  • Question 5
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    If $$\displaystyle \frac { x\text{ cosec }^{ 2 }{ 30 }^{ o }{ \sec }^{ 2 }{ 45 }^{ o } }{ 8{ \cos }^{ 2 }{ 45 }^{ o }{ \sin }^{ 2 }{ 90 }^{ o } } ={ \tan }^{ 2 }{ 60 }^{ o }-{ \tan }^{ 2 }{ 45 }^{ o }$$, then $$x$$ is :

  • Question 6
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    Evaluate: $$\displaystyle 3{\cot }^{ 2 }{ 60 }^{ o }+{ \sec }^{ 4 }{ 45 }^{ o }-{ \tan }^{ 2 }{ 60 }^{ o }$$

  • Question 7
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    Evaluate: $$\displaystyle \sin { { 40 }^{ o } } .\sec{ { 50 }^{ o } }-\cfrac { \tan { { 40 }^{ o } }  }{ \cot { { 50 }^{ o } }  } +1$$

  • Question 8
    1 / -0

    The value of  $$\displaystyle { \cos }^{ 2 }\left( { 90 }^{ o }-\theta  \right) +{ \cos }^{ 2 }\theta $$ is :

  • Question 9
    1 / -0

    The value of $$\displaystyle \tan { \theta  }. \tan { \left( { 90 }^{ o }-\theta  \right)  } +\cos { \theta  } .\text{cosec}\left( { 90 }^{ o }-\theta  \right) $$ is

  • Question 10
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    $$\displaystyle \frac { \sec { \theta  }  }{ \text{cosec }\left( { 90 }^{ o }-\theta  \right)  } -\frac { \sin { \theta  }  }{ \cos { \left( { 90 }^{ o }-\theta  \right)  }  } +\cos { { 0 }^{ o } } $$ is equal to :

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