Answers

-1≦sinθ≦1より、
2-1≦sinθ+2≦1+2
∴1≦sinθ+2≦3
よって、
sinθ+2≠0
となります。

みず

ありがとうございます!!!😳🙇‍♀️🙇‍♀️🙇‍♀️

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