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trig

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y=tan(2x+3.14/4)

  • trig - ,

    looks like you mean
    y = tan(2x + pi/4)
    = (tan 2x + tan pi/4)/(1 - (tan 2x)(tan pi/4)
    = (tan 2x + 1)/(1 - tan 2x), since tan pi/4 = 1

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