tan45°_cos30°+sin225°_cos225
Matematika
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Pertanyaan
tan45°_cos30°+sin225°_cos225
1 Jawaban
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1. Jawaban Anonyme
Bab Trigonometri
Matematika SMA Kelas X
tan 45° - cos 30° + sin 225° - cos 225°
= 1 - 1/2 √3 + (-1/2 √2) - (- 1/2 √2)
= 2/2 - 1/2 √3 - 1/2 √2 + 1/2 √2
= (2 - √3)/2