Revise differentiation of algebraic and trigonometric expressions, which can be used for calculating rates of change, stationary points and their nature, or the gradient and equation of a tangent to a ...

Understanding how to convert between degrees and radians is one of the most crucial skills for anyone studying trigonometry, calculus, or advanced mathematics. Whether you're a beginner student ...

Two high school students have proved the Pythagorean theorem in a way that one early 20th-century mathematician thought was impossible: using trigonometry. Calcea Johnson and Ne’Kiya Jackson, both at ...