7. 5 Given cos=- 13' where 0°503360, a. In which quadrant(s) could the terminal arm of...

Question

Question

7. 5 Given cos=- 13 where 0°503360, a. In which quadrant(s) could the terminal arm of angle lie? (2 marks) b. Calculate all

Answer 1

Answer #1

7) a) Coso = -5 13 caso is negative in quadrant 180 39 <270 and 3rd #b) principal value of costa liks betweeen os x<a O = Cos

Answer 2

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