If cos(t) = -0.42 and cos(w) = -0.80, both t and w are positive, and the angles determined by t and w are in quadrant 3, then which of the following statements is true?

a. t w
b. w t
c. Cannot be determined

Question

If cos(t) = -0.42 and cos(w) = -0.80, both t and w are positive, and the angles determined by t and w are in quadrant 3, then which of the following statements is true?

a. t > w
b. w > t
c. Cannot be determined

anonymous · Answer

plz show work

campbell_st · Answer

3rd quadrant angles are 180 + x where x is the angle.... find arc cos 0.42 and 0.8 and then add each to 180. then compare to find the correct statement.