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Math Help - Algebraic Expressions Sin(arctan x/3)

  1. #1
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    Algebraic Expressions Sin(arctan x/3)

    I want to make sure that i am right

    let U= arctan x/3

    tan u=x/3

    i think this is correct
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by NoAsherelol View Post
    I want to make sure that i am right

    let U= arctan x/3

    tan u=x/3

    i think this is correct
    yes
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