Search for: The value of limn→∞ cosx2cosx4cosx8…cosx2n, is The value of limn→∞ cosx2cosx4cosx8…cosx2n, is A1BsinxxCxsinxDnone of these Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 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 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:We know that cosAcos2Acos4A…cos2n−1A=sin2nA2nsinATaking A=x2n, we get cosx2ncosx2n−1…cosx4cosx2=sinx2nsinx2n∴ limn→∞ cosx2cosx4⋯cosx2n−1cosx2n=limn→∞ sinx2nsinx2n=limn→∞ sinxxx/2nsinx/2n=sinxx Related content Class 9 Science MCQ Chapter 12 Sound CBSE Class 12 English MCQ with Answers (Flamingo & Vistas) CBSE Class 7 Science MCQ Questions with Answers CBSE Class 12 Subject Wise MCQ 2024-25 ICSE Class 10 Toppers List 2024 Available Tenses Worksheet for Class 10 CBSE Class 7 Science Chapter 3 Heat MCQ Questions with Answers Nephron Diagram Class 10 CBSE Class 7 Science Chapter 2 Nutrition in Animals MCQ with Answers Rabindranath Tagore Jayanti 2024