Given r=8 and 0 =1.85pi, find the Cartesian coordinates. a.(7.13,-3.63) b.(7.08,-3.67) c.(-7.08,3.67)d.(-7.80,-3.67)
1 answer:
Answer:
Step-by-step explanation:
polar coordinates = R ( 8 ) , θ = 1.85π ( 1.85 x 180 = 333° )
x - coordinate = r cosθ = 8 cos333
= 7.13
Y-coordinate = r sinθ = 8 sin 333
= - 3.63.
(7.13 , - 3.63 )
Option a is the answer.
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