Ответ:0,23
Объяснение:
(sin(y/2))^2=(1-cos(y))/2=(1-6/11)/2=5/22=0,23
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Ответ:0,23
Объяснение:
(sin(y/2))^2=(1-cos(y))/2=(1-6/11)/2=5/22=0,23