TanA=24÷7, jika A sudut lancip, sinA +cos A
Matematika
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Pertanyaan
TanA=24÷7, jika A sudut lancip, sinA +cos A
1 Jawaban
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1. Jawaban Anonyme
jawab
tan A = 24/7 = y/x
x,y,r = 7,24,25
sin A = y/r
cos A = x/r
sin A+ cos A = (x+y)/r = (7+24)/25 = 31/25