QuestionReportMathematics Question on limits of trigonometric functionsThe value of limx→0sin2x+cosx−1x2\lim_{x \to0} \frac{sin^2x+cosx-1}{x^2}limx→0x2sin2x+cosx−1 isA1B12\frac{1}{2}21C−12-\frac{1}{2}−21D0Answer12\frac{1}{2}21ExplanationSolutionAnswer (b) 12\frac{1}{2}21