Mathematics
Senior High

写真の2行目から3行目の変形の仕方が分かりません。教えてください🙇‍♀️

dx SI 1-sinx=(cos²x Sta 2 1 2 cos²x = tan x + + sin x cos² x (cos x) 2 cos²x 1 COS X -+C dx dx 12=

Answers

No answer yet

Were you able to resolve your confusion?