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Answered

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What is the value of the x-coordinate of point A?

Choose 1 answer

A) sin(50)
B) cos(50)
C) sin(140)
D) cos(140)
E) sin(230)
F)cos(230)

What Is The Value Of The Xcoordinate Of Point A Choose 1 Answer A Sin50 B Cos50 C Sin140 D Cos140 E Sin230 Fcos230 class=

Sagot :

Answer: F (cos(230)).
Explanation:
Cosine corresponds to the x coordinate of points on a circle when the radius is drawn in like this, so the answer would be the cos of that angle, but you have to account for the fact that the 50 degree angle marked is just the reference angle not the entire angle so you have to add 180 degrees to that to get 230.
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