November 2019 1 43 Report
Jika
sin \: 2x \: = \frac{2t}{1 + {t}^{2} }
maka
tan \: x \: =
a.
t
b.
 \frac{1}{2} t
c.
2t
d.
1 - {t}^{2}
e.
 \frac{2t}{1 + {t}^{2} }
mohon pakai caranya. terima kasih​
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