hmmm...so i need to find an expression for the attached image... im getting tan((x^2-4)/4) but its wrong, what am I missing? Thanks in advance
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Originally Posted by OakleyAddict hmmm...so i need to find an expression for the attached image... im getting tan((x^2-4)/4) but its wrong, what am I missing? Thanks in advance Let . So you want the value of . Now note that . Make the necessary substitution and simplify.
o ya srry,,, it says in terms of x so that doesn't work i think and it said yo use as a hint: tan^(2)+1=sec^2(x)
Originally Posted by OakleyAddict so that doesn't work i think Yes it does. You haven't tried.
Originally Posted by OakleyAddict o ya srry,,, it says in terms of x so that doesn't work i think and it said yo use as a hint: tan^(2)+1=sec^2(x) Am I to understand that you cannot (or haven't tried to) substitute into the right hand side of ?
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