Mathematics

10th -

Universitygrade

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  • Multiple Choice
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    45 seconds
    1 pt

    sin (900 - α) =

    sin α

    -sin α

    cos α

    -cos α

  • Multiple Choice
    Please save your changes before editing any questions.
    45 seconds
    1 pt

    sin (900 + α) =

    sin α

    -sin α

    cos α

    -cos α

  • Multiple Choice
    Please save your changes before editing any questions.
    45 seconds
    1 pt

    sin (1800 + α) =

    sin α

    -sin α

    cos α

    -cos α

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