tan 60 + cos 330 dibagi sin 120
Matematika
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Pertanyaan
tan 60 + cos 330 dibagi sin 120
1 Jawaban
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1. Jawaban AZHAAYL
tan 60 = √3
cos 330 = cos (-30) = cos 30 = ½√3
sin 120 = sin 60 = ½√3
= (tan 60 + cos 330)/sin 120
= (√3 + ½√3)/(½√3)
= (3/2)√3 ÷ ½√3
= 3/2 × 2
= 3