Search for: MathematicsIf A=cosθ−sinθsinθcosθ, then A2 isIf A=cosθ−sinθsinθcosθ, then A2 isAcos2θ−sin2θsin2θcos2θBcos2θ−sin2θsin2θ−cos2θC1001DNone of these Fill Out the Form for Expert Academic Guidance!l Grade ---Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pmPlease indicate your interest Live ClassesBooksTest SeriesSelf LearningLanguage ---EnglishHindiMarathiTamilTeluguMalayalamAre you a Sri Chaitanya student? NoYesVerify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:A=cosθ−sinθsinθcosθA2=cosθ−sinθsinθcosθ×cosθ−sinθsinθcosθ=cos2θ−sin2θ−cosθ sinθ−cosθsinθsinθ cosθ+cosθ sinθ−sin2θ+cos2θ=cos2θ−sin2θsin2θ−cos2θRelated content Area of Square Area of Isosceles Triangle Pythagoras Theorem Triangle Formulae Perimeter of Triangle Formula Area Formulae Volume of Cone Formula Matrices and Determinants_mathematics Critical Points Solved Examples Type of relations_mathematics