Question

If cos θ=–5/13 and sin θ < 0, what is tan θ ?
A. 12/5
B. 13/5
C. -12/5
D. sq. rt 194/5

Answer 1

what?

Answer 2

I think it's C...

Answer 3

sorry, use cos = adj/hyp

Answer 4

tan = opp/adj

Answer 5

so make the triangle and solve for the missing side

Answer 6

is it c?

Answer 7

find the missing side using Pythagorean theorem

Answer 8

those are squared, correct?

Answer 9

13^2 = 5^2 + x^2

Answer 10

x=12

Answer 11

yep, now find tan which is opp/adj