Trigonometric identities

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Jul 10, 2020

How to add two or more Like fractions

Jul 07, 2020

Jun 25, 2020

Roster notation

Jun 18, 2020

Sine 36 Degrees value

Jun 16, 2020

Proof of Sine 36 Degrees value

Latest Math Problems

Jun 02, 2020

Evaluate $\dfrac{1+\cos{\theta}-\sin^2{\theta}}{\sin{\theta}(1+\cos{\theta})}$

May 24, 2020

Evaluate $\dfrac{1}{\sin{10^°}}-\dfrac{\sqrt{3}}{\cos{10^°}}$

May 19, 2020

Evaluate $(x^2y)^\frac{2}{3}-(xy^2)^\frac{2}{3}$, if $x$ $\,=\,$ $\cot{\theta}+\tan{\theta}$ and $y$ $\,=\,$ $\sec{\theta}-\cos{\theta}$

May 09, 2020

Evaluate $\displaystyle \large \lim_{x \,\to\, \infty}{\normalsize \dfrac{e^x}{\Big(1+\dfrac{1}{x}\Big)^{x^2}}}$

May 02, 2020

Evaluate $\displaystyle \large \lim_{x \,\to\, 0}{\normalsize \dfrac{e^x-e^{x\cos{x}}}{x+\sin{x}}}$

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