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Math Help - Corrected the error 7,8,9

  1. #1
    Super Member dhiab's Avatar
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    Corrected the error 7,8,9

    1 ) two measurements of meme angle ?

    2 )

    3 )
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  2. #2
    MHF Contributor alexmahone's Avatar
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    1) The difference of the 2 angles is NOT a multiple of 2\pi; so they are not measurements of the same angle.

    2) (2x+1)^2=(x-1)^2 \implies x=0 or x=-2.

    3) tan (x)=1 \implies x=\frac{\pi}{4}+n\pi
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  3. #3
    Super Member dhiab's Avatar
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    Thank you
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