Gray Peterson
08/07/2024 · Junior High School

Siberi \( \tan \theta=-1.7321 \) Sudut rujukan sepadan, \( =60^{\circ} \) Q

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Diberikan bahawa \( \tan \theta = -1.7321 \). Kita tahu bahawa \( \tan 60^\circ = \sqrt{3} \approx 1.7321 \). Oleh itu, sudut rujukan sepadan dengan \( \tan \theta = 1.7321 \) adalah \( 60^\circ \). Namun, kerana \( \tan \theta \) adalah negatif, ini menunjukkan bahawa sudut \( \theta \) terletak di kuadran kedua atau keempat. 1. **Kuadran kedua**: \[ \theta = 180^\circ - 60^\circ = 120^\circ \] 2. **Kuadran keempat**: \[ \theta = 360^\circ - 60^\circ = 300^\circ \] Oleh itu, sudut \( \theta \) yang memenuhi \( \tan \theta = -1.7321 \) adalah: - \( \theta = 120^\circ \) (kuadran kedua) - \( \theta = 300^\circ \) (kuadran keempat) Jika anda memerlukan maklumat lanjut atau penjelasan tambahan, sila beritahu!

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\( \theta = 120^\circ \) (kuadran kedua) atau \( \theta = 300^\circ \) (kuadran keempat)
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