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 Aug12 accepted Some exponential integrals - I need algebraical solution besides my graphical one Aug9 accepted Need some algebra explaination for hyperbolic sinus Aug2 accepted Trigonometric functions Aug1 accepted Short integral question Jul15 accepted Solving a simple quadratic equation Jun25 accepted Solving $L - L\sqrt{1-\frac{u^2}{C^2}} = u T$ for $u$ Jun19 accepted $\int\sin^2(Cx)\,dx$ from a manual - need proof Jun12 accepted Solid angle definition - can it be seen shown using an image? Jun6 accepted When does exponential function $e^x$ equal $1$? May18 accepted Complex 3-D Euclidean space - inner product May18 accepted Inner product justification with an example May13 accepted Weird Identities with Scalar Product & Transpose: $\vec{a}\cdot\vec{b} = \vec{b}^T \cdot {a}^T$, $\vec{a}^T \cdot \vec{b} = \vec{b}^T \cdot \vec{a}$? May11 accepted I need a proof for a scalar product - no numbers allowed May11 accepted Complex numbers and absolute values May4 accepted Differential equation with no constants. Apr23 accepted Plotting a sum of 2 exponentials looks like… well nothing Apr21 accepted Two types of solution to the differential equation Apr11 accepted Solving a linear second order differential equation Mar22 accepted Leibniz notation - how to get $dx$ out of a derivative $v = \frac{dx}{dt}$ Mar21 accepted Integration by parts - weird integral