Question

Given sin(x)= 7/11 & sec(x) < 0 find cos and tan

Answer 1

if sec(x) < 0 then cos(x) must be negative

Answer 2

so, we draw our angle x like so:

Answer 3

find the value of (a) using the pythagorean theorem, then find cos(x) and tan(x) using our trig ratios