Math Chapter Wise question with answer

Q01 If sin4 a – cos4 a = 1/3 then what is the value of 1–2cos2 a? English · OAVS TGT 2019 Q02 If cos2 A + cos4 A = 1, then the value of the expression sinA + sin2 A is: English · EMRS TGT-2023 Q03 Let B = 2 sin2 x–cos2x, then– English · KVS TGT 2017 Q04 If y = cos2 x – 6sinxcosx + 3sin2 x + 2, then for real x: English · Haryana PGT 2019 Q05 If sinθ + cosθ = 1, then the value of sin2θ is: English · KVS PGT 23-12-2018 SECTION B PGT TIER-I 31.11.2014 Q06 Given, A =sin2 θ+cos4 θ, then for real value θ is: English · TGT 1999