sec 30 cos 45 + csc 30 sin 45
Matematika
ditaadindarv
Pertanyaan
sec 30 cos 45 + csc 30 sin 45
1 Jawaban
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1. Jawaban Anonyme
Kelas 10 Matematika
Bab Trigonometri
sec 30° . cos 45° + cosec 30° . sin 45°
= 1/cos 30° . 1/2 √2 + 1/sin 30° . 1/2 √2
= 1/(1/2 √3) . 1/2 √2 + 1/(1/2) . 1/2 √2
= (√2)/(√3) . (√3)/(√3) + √2
= (√6)/3 + (3√2)/3
= (√6 + 3√2)/3