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 Jul15 accepted Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$. Jul15 comment Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$. why is $45^{\circ}$, it is because $tan(1)=45^{\circ}$? thx Jul15 revised Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$. edited body Jul15 asked Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$. Jul14 accepted Find the magnitude of the acute angle between the lines $2y+3x=4$ and $x+y=5$. Jul14 revised Find the magnitude of the acute angle between the lines $2y+3x=4$ and $x+y=5$. added 104 characters in body Jul14 asked Find the magnitude of the acute angle between the lines $2y+3x=4$ and $x+y=5$. Jun26 accepted antiderivative of $\frac{dy}{dx}$ Jun26 asked antiderivative of $\frac{dy}{dx}$ Jun12 accepted How to sketch $y=2\tan(x+\frac{\pi}{4})$ , $x \in (0,2\pi)$ Jun8 awarded Caucus Jun3 accepted logarithmic find value N. Jun3 accepted Let $f(x)=\frac{2x+1}{\sin(x)}$ find $f'(x)$ Jun3 asked Let $f(x)=\frac{2x+1}{\sin(x)}$ find $f'(x)$ Jun2 comment Determining the derivative of $e^{5x}\tan(2x)$ So, it should be $e^{5x}tan2x$! and the question from paper is mistake! thx Jun2 comment Determining the derivative of $e^{5x}\tan(2x)$ I don't know, In the question it is like that exactly. It is possible mistake? Jun2 comment Determining the derivative of $e^{5x}\tan(2x)$ does it mean - $e^{5x}tan2x+5tan2$ by using product rule. sorry if wrong. Jun2 comment Determining the derivative of $e^{5x}\tan(2x)$ the problem is $e^{5x}.tan2x$ is not $e^{5x}$ x $tan2x$ Jun2 asked Determining the derivative of $e^{5x}\tan(2x)$ May25 comment Sketching Logarithmic with labeling intercepts and asymptotes fantastic answer thanks you very much!