Объяснение:
-18 cos 335°/cos155° • cos 60° - 16 = =-18* cos(360°-335°)/cos(180°-155°)*1/2-16=
=-18 * cos25°/cos25°*1/2-16=
= -9-16=-25
Объяснение:
-18 cos 335°/cos155° • cos 60° - 16 = =-18* cos(360°-335°)/cos(180°-155°)*1/2-16=
=-18 * cos25°/cos25°*1/2-16=
= -9-16=-25