2cos2 x + 2cos2 2x + 2cos2 3x = cosx + sin2x + cos2x
-
This topic is locked
1 user(s) are reading this topic
0 members, 1 guests, 0 anonymous users
Community Forum Software by IP.Board
Licensed to: Diễn đàn Toán học
This topic is locked
Lính mới
2cos2 x + 2cos2 2x + 2cos2 3x = cosx + sin2x + cos2x
0 members, 1 guests, 0 anonymous users
Community Forum Software by IP.Board
Licensed to: Diễn đàn Toán học
