The table below gives the magnitude and angle for 4 vectors. Find the X componen

Question

The table below gives the magnitude and angle for 4 vectors. Find the X component and Y component for the vectors given below. I'm pretty sure my answers are right but webassign is not taking them! Not sure what is wrong.                 

Vector Magnitude         Vector Angle (degrees) 240 190 170 0 135 270 27 130                       
The table below gives the magnitude and angle for 4 vectors. Find the X component and Y component for the vectors given below. I'm pretty sure my answers are right but webassign is not taking them! Not sure what is wrong.

Explanation / Answer

You can find x and y components by taking the cosine or sine (respectivley) of the angleand multiplying it by the magnitude. Then consider the given angle and where it would lie on the unit circle. At that point you will be able to visualize whether your x and y components are positive or negative. Your angle is then changed a positive angle to the closest x axis

A: Ax= -240cos(60)

Ay= -240sin(60)

B: Bx= 170

By= 0

C: Cx= 0

Cy= -135

D: Dx= -27cos(50)

Dy= 27 sin(50)

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