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Mathematics 11 Online
OpenStudy (anonymous):

derivative of tan x using first principle

OpenStudy (amistre64):

dunno if it helps to use the sin/cos definintion

OpenStudy (amistre64):

i can never recall the tan(a+b) formula .. can you?

OpenStudy (anonymous):

i used quotient rule and got sec^2 x which i know is right but the first principle rule is troubling

OpenStudy (anonymous):

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