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OpenStudy (lxelle):
Solve -3e^(-3x) tanx + e^(-3x) sec^2 (x) = 0
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OpenStudy (lxelle):
So, e^(-3x) (sec^2 (x) -3 sin(x)) = 0 (1+ tan^2 (x) - 3sin (x)) = 0
OpenStudy (lxelle):
@phi
OpenStudy (anonymous):
Why did \(\tan x\) suddenly become \(\sin x\)?
OpenStudy (lxelle):
mistake. thanks for pointing out
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