Mathematics
Senior High

−二分のπ <θ<二分のπ tanはなぜすべての実数値を取るのですか?

単位円で考えれば、θ=0だけ取らなくないですか?

Answers

θ=0のときは0➗1で0だからOK
実数は0もふくむよ

😇

はい

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