sin 130°+sin 10°/cos 100°-cos 40°
Matematika
Irjayanti
Pertanyaan
sin 130°+sin 10°/cos 100°-cos 40°
1 Jawaban
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1. Jawaban TS14
2*sin70*sin60/-2*sin70*sin30 = -1 (1/2√3 / 1/2) = -1 (√3) = -√3
Semoga Membantu :)