cos kuadrat q = 0.5 q = ?
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Pertanyaan
cos kuadrat q = 0.5
q = ?
q = ?
1 Jawaban
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1. Jawaban Robinn
cos²q = 0,5
cos²q = 1/2
cosq = √1/2
cosq = 1/√2
cosq = (1/√2)(√2/√2)
cosq = √2/2
cosq = 1/2 √2
q = 45˚ , 135˚