Jawab:
trigonometri
fungsi
Penjelasan dengan langkah-langkah:
sisi miring = r
r² = p²+ q²
r = √(p² +q²)
sin θ = de/mi = q/√(p²+q²)
cos θ = sa/mi = p/√(p²+q²)
sin 2θ = 2 sin θ cos θ = 2 {q/√(p²+q²) } {p/√(p²+q²)}
sin 2θ = (2 pq)/ (p²+ q²)
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Verified answer
Jawab:
trigonometri
fungsi
Penjelasan dengan langkah-langkah:
sisi miring = r
r² = p²+ q²
r = √(p² +q²)
sin θ = de/mi = q/√(p²+q²)
cos θ = sa/mi = p/√(p²+q²)
sin 2θ = 2 sin θ cos θ = 2 {q/√(p²+q²) } {p/√(p²+q²)}
sin 2θ = (2 pq)/ (p²+ q²)