Mathematics
Senior High
Solved
sin^2θ+cos^2θ=1
tanθ=sinθ/cosθ
1+tan^2θ=1/cos^2θ
の公式について
この公式って一体どういう意味ですか？
図もお願いします！
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すごくわかりやすいです！ありがとうございます！