Definition: Arctan is the inverse function of the tangent function which is the ratio of the side opposite an angle divided by the side adjacent to the angle (i.e., tan = opposite/adjacent). It is ...

Maths Inverse Trigonometric Functions Formulas: Calculus is one of the most important topics in mathematics. The CBSE Class 11 and 12 introduce students to many advanced concepts in calculus. Nearly ...

"$$ \\cos^{-1}\\left(-\\frac{1}{2}\\right) = arccos \\left(-\\frac{1}{2}\\right) = \\frac{2π}{3}$$\n", "$$ \\tan^{-1}\\left(-\\frac{1}{\\sqrt{3}}\\right) = arctan ...

In the Introduction to the Derivative video we introduce the notion of the derivative of a function and explain how the derivative captures the instantaneous rate of change of a function. In the ...

a missing side in a right-angled triangle when another side and an angle are known. a missing angle in a right-angled triangle when two sides are known. In these formulae, the Greek letter θ (theta) ...