Consider the arc of length s on the unit circle that begins at the point (1, 0) and ends at the
point (−0.4898, −0.7864). Find csc s, sec s, cot s.
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= 121.91 degrees
1 rad= 57.2958 degrees
121.91622 degrees = 2.1278= s (length of the arc)
csc s= 1.1781
sec s= -1.8915
cot s= -0.6228
note that 121.916 degrees is the angle between the points (1,0) and (-0.4898, -0.7864)
sec x= 1/cos x
csc x= 1/sin x
cot x= 1/tan x
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