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Math Help - Linear approximation problem

  1. #1
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    Linear approximation problem

    Hello forumers, this question had been buzzing me for quite some time now.
    that is, THE LINEAR APPROXIMATION OF f(x)=tan(2x) at a=0.
    If the x value and a linear equation given, probably i can still solve the question. When given in trigonometric from, i am somw how stuck...
    can someone help me please.

    Thank you in Advance.
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  2. #2
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    Quote Originally Posted by vesparados150 View Post
    Hello forumers, this question had been buzzing me for quite some time now.
    that is, THE LINEAR APPROXIMATION OF f(x)=tan(2x) at a=0.
    If the x value and a linear equation given, probably i can still solve the question. When given in trigonometric from, i am somw how stuck...
    can someone help me please.

    Thank you in Advance.
    f(x)\approx f(0)+xf'(0)

    CB
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