Вычислите (sin45° tg60°+ cos45° ctg30°)² - cos60°

Вычислите (sin45° tg60° + cos45° ctg30°)² - cos60°: =(sin(45°) * tan(60°) + cos(45°) * cot(30°))^2 - cos(60°) =(0.7071 * 1.732 + 0.7071 * 1.732)^2 - 0.5 =(1.209 + 1.209)^2 - 0.5 =2.418^2 - 0.5 =5.841 - 0.5 =5.341