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Dec
26
asked Why do we get two solutions when inverting $y = \sinh x$?
Dec
24
answered Displacement from variable forces
Dec
18
answered How to calculate $\overline{\cos \phi}$
Dec
12
answered Formula for Converting any Positive number > 0 to a 1 to 10 scale?
Dec
10
answered Can someone show me what to do with these Fund. Theorem Of Calc problems?
Dec
10
answered Can someone check/help with these anti-derivatives?
Dec
7
answered Can't figure out the exact function requirement
Dec
5
answered How can I introduce complex numbers to precalculus students?
Nov
30
answered Symmetric matrix and orthonormal eigenvectors
Nov
28
asked Is my formula for the change of basis of an inner product correct?
Nov
28
answered How come the normal vector of the normal plane is the derivative of the curve r(t)?
Nov
20
answered Computing a derivative using logarithmic differentiation
Nov
20
answered Checking that a function satisfies a differential equation
Nov
16
asked Difference between $\implies$ and $\;\therefore\;\;$?
Nov
8
answered Simultaneous equation other possibilities but how? ($14x - 5y + 14 = 179, \ -14x + 5y + 5 = -160$)
Nov
5
answered Prove $\forall K > 0: \lim_{n\rightarrow\infty} \sqrt[n]{K} = 1$
Oct
16
answered Fourier series for $\sin x$ is zero?
Sep
30
asked Proving statement about dimensions of vector spaces
Sep
29
asked Help with a linear algebra problem; defining a function with some properties
Sep
27
answered Multivariable Partial Derivative