Mathematics
Senior High
180度以上だったらマイナスついて70度と60度にかわるんですか？
"Sin 70"十cos 60*寺cos 150*
ーsin 110*
Sin 70*二cos 60*
+cos(180*ー609一sin80*-7⑩0
デSIn 70*+cos 60*一cos60' 箇|目-
] 。-mn' a
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