Class 12 Maths Q28(A) | Parametric Differentiation | CBSE Sample Paper 2026-27

Class 12 Mathematics | CBSE Sample Paper 2026–27 | Question No. 28(A) Question: If x = sin³t and y = cos³t, evaluate d²y/dx² at the given point (1/(2√2), 1/(2√2)). This 3-mark question is based on parametric differentiation and the second-order derivative. Learn how to find the first derivative and then calculate the second derivative using parametric equations. Important practice for Class 12 CBSE/HBSE Board Exam 2027. Subscribe to JEET CLASSES for more sample paper solutions. #Class12Maths #ParametricDifferentiation #SecondDerivative #Calculus #CBSESamplePaper