Mathematics
Senior High
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90°<=θ<=180°とする。sinθ=2/3のとき、cos(180°-θ)の値とtan(180°-θ)の値を求めてください!

Answers

✨ Best Answer ✨

cosθ=√5/3、tanθ=2/√5
cos(180°-θ)=-√5/3
tan(180°-θ)=2/√5
何行目まで解けますか?

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