[(1 / (cos^2 (x)) - x]*sin(x) Can someone help me simplify this? Thanks, Kim
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Probably not. Why do you think it possible?
Originally Posted by Kim Nu [(1 / (cos^2 (x)) - x]*sin(x) Can someone help me simplify this? Thanks, Kim You've done a good job trying to line the brackets up, but they are unfortunately not correct. The "(" to the left of the "1" is never closed.
Originally Posted by Kim Nu [(1 / (cos^2 (x)) - x]*sin(x) Can someone help me simplify this? Thanks, Kim I cannot see any simplification other than $\displaystyle \bigg[\frac{1}{\cos^2(x)}-x\bigg]\cdot\sin(x)=\frac{\sin(x)}{\cos^2(x)}-x\cdot\sin(x)=\tan(x)\cdot\sec(x)-x\cdot\sin(x)$
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