<PRE><B>Question 918945</B>
Evaluate sin(theta) and cosine (theta) for the angle theta. Please help me step by step I am very confused by this topic. Thank you


The graph gives you a point of (0.6,-0.8) on the x y coordinate plane with a radius of what appears to be 1 ( unit circle ) 
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(0.6,-0.8) is a point on the unit circle since 0.6^2 + (-0.8)^2 = 1

r is the hypotenuse of the right triangle, r = 1

sin (theta) = y/r = -0.8

cos (theta) = x/r = 0.6</PRE>