# Trig identity questions

2sinx/2cosx?

CAF123
Gold Member
2sinx/2cosx?

No. You figured that $$\tan x = \frac{\sin x}{\cos x}$$ What happens when you multiply this by 2?

You should know that $$\frac{a}{b} \times \frac{c}{d} = \frac{ac}{bd}$$

MarneMath