Чему равен cos 45 градусов
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По Рейтингу
сos (0°) = 1
сos (30°) = cos (π/6) = (√3)/2
сos (45°) = cos (π/4) = (√2)/2 = 1/√2
сos (60°) = cos (π/3) = 1/2
сos (90°) = cos (π/2) = 0
cos (180°) = cos (π) = –1
сos (270°) = cos (3π/2) = 0
0,70710678118
корень из двух пополам
сos (0°) = 1
сos (30°) = cos (π/6) = (√3)/2
сos (45°) = cos (π/4) = (√2)/2 = 1/√2
сos (60°) = cos (π/3) = 1/2
сos (90°) = cos (π/2) = 0
cos (180°) = cos (π) = –1
сos (270°) = cos (3π/2) = 0
cos 45
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