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

CBSE 2024-25 Competency-Based Questions With Answers: The Central Board of Secondary Education (CBSE) has increased the weightage of competency-based questions to 50%. Thus, students must prepare to ...

In circular functions like sine and cosine, equations can have multiple solutions within a specific interval. If all possible values are considered, these functions can have infinitely many solutions.

Practise solving trigonometric equations in degrees or radians using CAST and its period to find other solutions within the range, including multiple or compound angles and the wave function.

A polynomial is an algebraic expression involving many terms and can be factorised using long division or synthetic division. Laws of logarithms and exponents Revise what logarithms are and how to use ...

Trigonometric identities are powerful tools for simplifying complex equations in math and science. Three core groups—reciprocal, quotient, and Pythagorean—form the foundation. Effective strategies ...