( sin 60 - Tan 45 ) × ( sin 30 + tan 45 )
Matematika
erikasari2271
Pertanyaan
( sin 60 - Tan 45 ) × ( sin 30 + tan 45 )
2 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
(sin 60° - tan 45°) . (sin 30° + tan 45°)
= (1/2 √3 - 1) . (1/2 + 1)
= (√3 - 1)/2 . 3/2
= (3√3 - 3)/4 -
2. Jawaban Flawlyara
Mapel Matematika
Bab Trigonometri
(sin 60° - tan 45°)(sin 30° + tan 45°)
= (1/2 √3 - 1)(1/2 + 1)
= (1/2 √3 - 1/2)(-1/2 - 1)
= (✓3 - 1)/2 (-3/2)
= (-3√3 + 3)/4