Asked by Doodo
Find the missing coordinate of P, using the fact that P lies on the unit circle in the given quadrant.
a) P( ,-15/17) Quadrant IV
b) P(2/5, ) Quadrant I
a) P( ,-15/17) Quadrant IV
b) P(2/5, ) Quadrant I
Answers
Answered by
R_scott
the unit circle has a radius of 1 ... x^2 + y^2 = 1^2
a) x^2 = 1 - (225 / 289) = 64 / 289 ... x = 8 / 17
b) y^2 = 1 - (4 / 25) = 21 / 25
a) x^2 = 1 - (225 / 289) = 64 / 289 ... x = 8 / 17
b) y^2 = 1 - (4 / 25) = 21 / 25
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