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Understand That For Any Angle θ On The Unit Circle With Points (x,y), □cos cos θ =x

Let the point (1,0) lies on the unit circle. Find value of cos θ

  Let the point (-1/2 ,-√3/2) lies on the unit circle. Find value of  cos θ

Let the point   (√3/2, 1/2)    lies on the unit circle. Find value of θ

 Let the point (1/√2 ,1/√2) lies on the unit circle. Find value of cos θ

Let the point (1/√2 ,1/√2) lies on the unit circle. Find value of θ

  Let the point (1/2 ,√3/2)   lies on the unit circle. Find value of θ

 Let the point (-1/2 ,-√3/2)   lies on the unit circle. Find value of θ

Let the point (√3/2, 1/2) lies on the unit circle. Find value of cos θ

 Let the point (1/2 ,√3/2)  lies on the unit circle. Find value of cos θ

Let the point (1,0) lies on the unit circle. Find value of θ