ilai [tex] \frac{tan 0 - 1}{tan 0 + 1} [/tex] [tex] \frac{sin0 + cos 0}{sin 0 -cos 0} [/tex] adalah
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Pertanyaan
ilai [tex] \frac{tan 0 - 1}{tan 0 + 1} [/tex] [tex] \frac{sin0 + cos 0}{sin 0 -cos 0} [/tex] adalah
1 Jawaban
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1. Jawaban bapakdr
tan 0 = 0
sin 0 = 0
cos 0 = 1
(tan 0 - 1) / (tan 0 + 1)
= -1 / 1
= -1
(sin 0 + cos 0) / (sin 0 - cos 0)
= (0 + 1) / (0 - 1)
= 1 / -1
= -1