maths formula list class xii
tes understanding of real-world random processes Helps in solving probability-based problems efficiently Trigonometry Trigonometry involves the study of angles and their relationships. Important Formulas Basic Identities: \(\sin^2 x + \cos^2 x = 1\) \(1 + \tan^2 x = \sec^2 x\) \(1 + \cot^2 x = \csc^