Poprzednio było z błędem.
PS: Prosze o rozpisanie tego w miare mozliwosci.
( 4 cos 30° + 2 tg 60°)² ( 2√3 + 2√3)² 48
============================== = =================== = ======
ctg 30° * tg60° + ( sin60° * cos30°)² √3 * √3 + (√3/2 * √3/2)² 3 + 9/16
48 / 3 + 9/16 = 48 / 57/16 = 48 * 16/57 ≈ 13.47
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( 4 cos 30° + 2 tg 60°)² ( 2√3 + 2√3)² 48
============================== = =================== = ======
ctg 30° * tg60° + ( sin60° * cos30°)² √3 * √3 + (√3/2 * √3/2)² 3 + 9/16
48 / 3 + 9/16 = 48 / 57/16 = 48 * 16/57 ≈ 13.47