Jawab:
trigonometri
sudut rangkap
perbandingan
Penjelasan dengan langkah-langkah:
sin 2α = y/r
tan 2α = (y)/(√(r²-y²)
tan 2α = ( 2 tan α)/ (1 - tan² α)
lihat lampiran
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Jawab:
trigonometri
sudut rangkap
perbandingan
Penjelasan dengan langkah-langkah:
sin 2α = y/r
tan 2α = (y)/(√(r²-y²)
tan 2α = ( 2 tan α)/ (1 - tan² α)
lihat lampiran