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Студентка85
@Студентка85
June 2022
1
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Решите пожалуйста
sin(-210°)
-sin225°
cos315°
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Alina209185
Sin(-210°)=-sin(210°)=-(-½)= ½ или 0,5
-sin(225°)=-(-√2/2)=√2/2≈0,707107
cos(315°)=√2/2≈0,707107
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Answers & Comments
-sin(225°)=-(-√2/2)=√2/2≈0,707107
cos(315°)=√2/2≈0,707107