buktikan bahwa cot b + tan b = cosec b. sec b
Matematika
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Pertanyaan
buktikan bahwa cot b + tan b = cosec b. sec b
1 Jawaban
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1. Jawaban MuhTaufiqMukhtar
cot b + tan b
= cosb/sinb + sinb/cosb
= (cos²b + sin²b)/(sinb.cosb)
= 1/(sinb.cosb)
= cosec b.sec b