Search for: If tanx + cotx = 2 , then sin2nx+cos2nx is equal toIf tanx + cotx = 2 , then sin2nx+cos2nx is equal toA2nB-12C12D12n-1 Register to Get Free Mock Test and Study Material +91 Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:Since,tanx+1tanx=2⇒tanx=1⇒x=π4sinx=12 and cosx=12Hence ,sin2nx+cos2nx=12n+12n=12n−1Post navigationPrevious: The mean and variance of n values of a variable x are 0 and σ2, respectively. If the variable y = x2 then mean of y is Next: If for a distributionΣ(x−5)=3,Σ(x−5)2=43 and the total number of items is 18, find the mean and standard deviation.Related content NEET Rank Assurance Program | NEET Crash Course 2023 JEE Main 2023 Question Papers with Solutions JEE Main 2024 Syllabus Best Books for JEE Main 2024 JEE Advanced 2024: Exam date, Syllabus, Eligibility Criteria JEE Main 2024: Exam dates, Syllabus, Eligibility Criteria JEE 2024: Exam Date, Syllabus, Eligibility Criteria NCERT Solutions For Class 6 Maths Data Handling Exercise 9.3 JEE Crash Course – JEE Crash Course 2023 NEET Crash Course – NEET Crash Course 2023