大問４
（１）
０°＜θ＜180°より
０＜sinθ≦１
２＜sinθ≦３
（２）０°＜θ＜180°より
－１＜cosθ＜１
－３＜－３cosθ＜３
－２＜－３cosθ＋１＜４
Answers
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大問４
（１）
０°＜θ＜180°より
０＜sinθ≦１
２＜sinθ≦３
（２）０°＜θ＜180°より
－１＜cosθ＜１
－３＜－３cosθ＜３
－２＜－３cosθ＋１＜４
Users viewing this question
are also looking at these questions 😉
ありがとうございます✿ﾟ❀.(*´▽`*)❀.ﾟ✿