sin 30° - tan 60° + cos 60° / tan 60° - sin 45° + cos 45° =
Kimia
Sahl13
Pertanyaan
sin 30° - tan 60° + cos 60° / tan 60° - sin 45° + cos 45° =
1 Jawaban
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1. Jawaban Windya21
Sin 30° - tan 60° + cos 60° / tan 60° - sin 45° + cos 45° =
(1/2) - (√3) + (1/2 / √3) - (1/2 √2) + (1/2 √2)
= (1/2) - (√3) + (1/6 √3) - (1/2 √2) + (1/2 √2)
= (1/2) - (5/6 √3)
atau
= 1/2 (1 - 5/3 √3)