373 reputation
319
bio website sbsangpi.com
location Melbourne, Australia
age 20
visits member for 2 years, 11 months
seen Feb 27 at 12:08

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Jul
27
reviewed Approve suggested edit on Evaluating $\int ^\frac{\pi}{2}_{0} \sin\left(2x+\frac{\pi}{4}\right)\ dx$
Jul
27
answered Evaluating $\int ^\frac{\pi}{2}_{0} \sin\left(2x+\frac{\pi}{4}\right)\ dx$
Jul
27
reviewed Approve suggested edit on Evaluating $\int ^\frac{\pi}{2}_{0} \sin\left(2x+\frac{\pi}{4}\right)\ dx$
Jul
27
comment Evaluating $\int ^\frac{\pi}{2}_{0} \sin\left(2x+\frac{\pi}{4}\right)\ dx$
oh!....so sorry! my fault!!!!i didn't see.
Jul
27
asked Evaluating $\int ^\frac{\pi}{2}_{0} \sin\left(2x+\frac{\pi}{4}\right)\ dx$
Jul
17
accepted Determining the derivative of $e^{5x}\tan(2x)$
Jul
17
accepted Find the approximate change in $y$ as $x$ increases from 2 to 2.02
Jul
17
asked Find the approximate change in $y$ as $x$ increases from 2 to 2.02
Jul
16
accepted The line with equation $y=4x+c$ is a tangent to the curve with equation $y=x^2-x-5$
Jul
16
asked The line with equation $y=4x+c$ is a tangent to the curve with equation $y=x^2-x-5$
Jul
15
awarded  Quorum
Jul
15
comment Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$.
because If i have $-2$ how about that?
Jul
15
comment Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$.
sorry, how come $\frac{\pi}{4}$ ? thx
Jul
15
accepted Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$.
Jul
15
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
Jul
15
revised Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$.
edited body
Jul
15
asked Find the acute angle of intersection of the curves $y=\cos x$ and $y=e^{-x}$ at the point $(0,1)$.
Jul
14
accepted Find the magnitude of the acute angle between the lines $2y+3x=4$ and $x+y=5$.
Jul
14
revised Find the magnitude of the acute angle between the lines $2y+3x=4$ and $x+y=5$.
added 104 characters in body
Jul
14
asked Find the magnitude of the acute angle between the lines $2y+3x=4$ and $x+y=5$.