BUKTIKAN COTAN A+(SIN A/1+COS A)=COSEC A
Matematika
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Pertanyaan
BUKTIKAN COTAN A+(SIN A/1+COS A)=COSEC A
1 Jawaban
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1. Jawaban Robinn
cotx + (sinx / 1+cosx) = cscx
cosx/sinx + sinx / 1+cosx = cscx
cosx(1 + cosx) + sin²x / sinx(1 + cosx) = cscx
cosx + cos²x + sin²x / sinx(1 + cosx) = cscx
cosx + 1 / sinx (1 + cosx) = cscx
1 / sinx = cscx
cscx = cscx