練習題庫/gsat・難度 3某外送員以店家為原點，向東、向北分別為座標的正向；顧客位置為 P(−6,8)P(-6,8)P(−6,8)。若角 θθθ 的終邊通過 PPP，則下列何者正確？(A)(sinθ,cosθ,tanθ)=(−35,45,−34)(\sin θ,\cos θ,\tan θ)=(-\frac{3}{5},\frac{4}{5},-\frac{3}{4})(sinθ,cosθ,tanθ)=(−53,54,−43)(B)(sinθ,cosθ,tanθ)=(45,35,43)(\sin θ,\cos θ,\tan θ)=(\frac{4}{5},\frac{3}{5},\frac{4}{3})(sinθ,cosθ,tanθ)=(54,53,34)(C)(sinθ,cosθ,tanθ)=(−45,−35,43)(\sin θ,\cos θ,\tan θ)=(-\frac{4}{5},-\frac{3}{5},\frac{4}{3})(sinθ,cosθ,tanθ)=(−54,−53,34)(D)(sinθ,cosθ,tanθ)=(45,−35,−43)(\sin θ,\cos θ,\tan θ)=(\frac{4}{5},-\frac{3}{5},-\frac{4}{3})(sinθ,cosθ,tanθ)=(54,−53,−34)(E)(sinθ,cosθ,tanθ)=(8100,−6100,−43)(\sin θ,\cos θ,\tan θ)=(\frac{8}{100},-\frac{6}{100},-\frac{4}{3})(sinθ,cosθ,tanθ)=(1008,−1006,−34)登入後即可作答並查看完整詳解（每日免費 5 題）。