Buktikan kesamaan trigonometri berikut. cos 24-cos 84+cos

Saluran Edukasion 2024-01-16T14:56:43

Buktikan kesamaan trigonometri berikut. cos 24-cos 84+cos 36= (akar(5)+1)/2. Petunjuk: cos 36=(akar(5)+1)/2
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Buktikan kesamaan trigonometri berikut. cos 24-cos 84+cos 36= (akar(5)+1)/2. Petunjuk: cos 36=(akar(5)+1)/2