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[16] In what quadrant of the polar plane does the polar point (-15, - 91°) lie? A. B. 1 c. III D. IV E. it lies on an axis [1

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16 Given (-15,- 910) 2= 800S0 = -15 (OS (-91°) = 0.26 yoysimo = -15 sim (-910) = 14.99 So, it lies in 1st Quadrant (option A)Р 20 (R cis e)!= {R (c030 + usime cos po + usim pe) RP (cos option (B) 21 Polar Point (20,-700) 22 - YCOSO - 20 cos (-700°) -23 Polan Point (-6,99) 57 12 -- 10553 X= 8 coso = -6 cos Y = rsimo = -6 sosim SX = -5.795 12 Now , 5x 12 X 180 = 75° it is eq

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