1. ## Easy Question

sin θ = 8/17 and cos θ = 15/17, find tan θ.

2. Originally Posted by Joker37
sin θ = 8/17 and cos θ = 15/17, find tan θ.
Hi Joker37,

Remember:

$\sin \theta=\frac{y}{r}$

$\cos \theta=\frac{x}{r}$

$\tan \theta=\frac{y}{x}$

$r^2=x^2+y^2$

$15^2+8^2=17^2$

$x = 15$, $y= 8$, $r = 17$

Therefore,

$\tan \theta = \frac{8}{15}$