could any1 differentiate 3tanx² ive come up with 6sec²x² but believe either this is wrong or there is more to it thanks
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$\displaystyle \frac{d} {{dx}}3\tan x^2 = \frac{{6x}} {{\cos ^2 \left( {x^2 } \right)}}$
thats not the answer im looking for tanx differentiated = sec²x
Originally Posted by djmccabie thats not the answer im looking for tanx differentiated = sec²x $\displaystyle \sec(x)=\frac{1}{\cos(x)}$ :/
i understand that, but i think my teacher is expecting to write it as sec... rather than 1/...
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