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Mathematics 16 Online
OpenStudy (anonymous):

lim x --->0 x^2-x/tan(4x) I tried but couldn't solve it. Please help me! :C

OpenStudy (abb0t):

You can re-write tan(4x) in terms of sine and cosine :)

OpenStudy (abb0t):

using trig identities and rearrangng

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