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5) (8 pts) Answer each question: a) Find an angle e with 0° <0 < 360° that has the same cosine value as 40° b) Find an angle
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Answer #1

5a) costo 90,450 DI I 540 0, 360,720 e U E 270, 630 in IV th quadrant, cos is positive 40 can be written as (360-40) which isGiven angle = 2331 G. = 698 Coterminal angle =690-360 2311 - -21 720 Î 30 6909 630 330 - 2 331 -12T 6 coterminal angle = 11 6

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