Автор - Anja65

Решите пожалуйсто !!!!!
 
sin²π/4 + cosπ/6 - tg³π/3= ????

Ответ

Автор - Daniyar235
Sin²π/4=sin²45 градусов =(√2/2)²=1/2
cosπ/6=cos30 градусов =1/2
tg²π/3=tg²60 градусов =√3²=3
0.5+0.5-3=-2

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