buktikan trigonometri dari cos x. tan x per Sin x = 1
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》Trigonometri
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[tex]\begin{gathered}\begin{gathered}\begin{aligned} \sf \frac{cos \: x \: tan \: x}{sin \: x} &=\sf 1\\ \sf \frac{ \cancel{cos \: x} \: \frac{ \cancel{sin \: x}}{ \cancel{cos \: x}} }{ \cancel{sin \: x}} &=\sf 1 \\ \sf 1&= \sf1 → Terbukti \end{aligned}\end{gathered}\end{gathered}[/tex]
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