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TOURNAMENT PUTARAN 2 FUNGSI TRIGONOMETRI XI
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Jika sin 𝑥 > 0 dan cos 𝑥 < 0, x berada di kuadran …
Kuadran II
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Tentukan kuadran sudut 250°!
Kuadran III
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Tentukan nilai cos 90°!
cos 90° = 1
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Amplitudo fungsi 𝑦 = 5 sin 𝑥 adalah ...
Amplitudo = 5
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Bentuk cos 210° senilai dengan...
cos 210° = - cos 30° = - 1/2 √3
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Nilai maksimum fungsi 𝑦 = sin 𝑥 adalah …
Nilai maksimum = 1
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Tentukan nilai sin 150°!
sin 150° = sin 30° = 1/2
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Tentukan nilai maksimum dan minimum fungsi 𝑦 = −7 cos x.
Nilai maksimum = 7, Nilai minimum = −7
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