The amount of rotation of a line from its initial position to final position is called an angle formed by rotation.

A straight line can make an angle geometrically by moving from its initial position to final position.

$\overrightarrow{RS}$ is a ray and it is rotated to new position, where it is called as $\overrightarrow{RT}$. The amount of rotation of line $\overrightarrow{RS}$ to become $\overrightarrow{RT}$ is called an angle.

An angle is formed between lines $\overrightarrow{RS}$ and $\overrightarrow{RT}$ by the rotation and it is denoted by $\angle SRT$ or $\angle TRS$ in mathematics.

List of most recently solved mathematics problems.

Jul 04, 2018

Limit (Calculus)

Evaluate $\displaystyle \large \lim_{x \,\to\, \tan^{-1}{3}} \normalsize {\dfrac{\tan^2{x}-2\tan{x}-3}{\tan^2{x}-4\tan{x}+3}}$

Jun 23, 2018

Limit (Calculus)

Evaluate $\displaystyle \large \lim_{x \to 0} \normalsize \dfrac{e^{x^2}-\cos{x}}{x^2}$

Jun 22, 2018

Integral Calculus

Evaluate $\displaystyle \int \dfrac{1+\cos{4x}}{\cot{x}-\tan{x}} dx$

Jun 21, 2018

Limit

Evaluate $\displaystyle \large \lim_{x \to \infty} \normalsize {\sqrt{x^2+x+1}-\sqrt{x^2+1}}$

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