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New posts in algebra-precalculus
Why is this not the correct way to treat this exponent? [closed]
algebra-precalculus
exponentiation
Cool way of finding $\cos\left(\frac{\pi}{5}\right)$
algebra-precalculus
trigonometry
Difficulty understanding division sign in expression
algebra-precalculus
Why do extraneous solutions exist?
algebra-precalculus
Show that $2\cos(\frac{\theta}{2})=\cos \theta$ iff $\theta = (4n+2)\pi \pm 2\phi$
algebra-precalculus
trigonometry
Is it possible to define $\lceil x\rceil$ in terms of $\lfloor\ldots\rfloor$?
algebra-precalculus
definition
ceiling-and-floor-functions
Why does $\sin^{-1}(\sin(\pi))$ not equal $\pi$
algebra-precalculus
trigonometry
Evaluating $\lim_{n \to +\infty}\frac{1}{n}\left({\frac{n}{n+1} + \frac{n}{n+2} + \cdots + \frac{n}{2n}}\right)$ [duplicate]
calculus
algebra-precalculus
limits
How to find the sum of this : $\sqrt{1+\frac{1}{1^2}+\frac{1}{2^2}}+ \sqrt{1+\frac{1}{2^2}+\frac{1}{3^2}}+\sqrt{1+\frac{1}{3^2}+\frac{1}{4^2}}+.....$
sequences-and-series
algebra-precalculus
Showing that $\sin^2x\cdot\sin^22x\cdot\sin^24x\cdot\sin^28x\cdots\sin^22^nx\leq\frac{3^n}{4^n}$
algebra-precalculus
trigonometry
inequality
geometric-inequalities
Absolute value and max/min function: why $a + b + |a - b|=2\max(a,b)$? [duplicate]
algebra-precalculus
absolute-value
Does the rule " divide by highest denominator power" apply outside the field of rational functions? ( Context : limits and asymptotes)
algebra-precalculus
limits
analysis
asymptotics
How to make a function "bounce" from two horizontal lines?
algebra-precalculus
graphing-functions
recreational-mathematics
How to multiply on a calculator which only allows add, subtract and reciprocal [duplicate]
algebra-precalculus
puzzle
Prove that $x = 2$ is the unique solution to $3^x + 4^x = 5^x$ where $x \in \mathbb{R}$ [duplicate]
algebra-precalculus
proof-writing
Algorithms for approximating $\sqrt{2}$
algebra-precalculus
algorithms
irrational-numbers
radicals
A real solution to a cubic equation
algebra-precalculus
Is this a known method for solving linear equations in 1 variable?
algebra-precalculus
math-history
Sum of a Hyper-geometric series. (NBHM 2011)
real-analysis
sequences-and-series
algebra-precalculus
How do you simplify this square root of sum: $\sqrt{7+4\sqrt3}$?
algebra-precalculus
nested-radicals
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