Mathematics
Senior High

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sinのcos9= (0' <の<45*) のとき, 次の式の値を求めよ。 1)。 sinのcosの (⑫) sin9cosの
sinθcosθtanθ

Answers

(sinθ+cosθ)²を考えればできる

(3)はtanθ=sinθ/cosθをつかう

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