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OpenStudy (anonymous):
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
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OpenStudy (anonymous):
plz show work
OpenStudy (campbell_st):
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.
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