Mathematics
Senior High
sinθ-cosθがなぜこうなるんですか??
②⑫ 2sin 9《 ーcos9)=マ6
sinの一coSの =ソ2 smn(9-) であるから, 方程式は 25 sim(9 -) =マ6
よらで simn(9子) = cs
>友め2の 宛
の
ゆえに 9ニタ 12”
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