Question

Consider an angle in standard position with r = 12 centimeters, as shown in the figure. Write a short paragraph describing the changes in the magnitudes of x, y, sin Θ, cos Θ, and tan Θ as Θ increases continually from 0° to 90°.

Answer 1

 x decreases from 12 to 0 
y increases from 0 to 12 
sine increases from 0 to 1 
cosine decreases from 1 to 0 
tangent increases from 0 to infinity