3πT 5 a) Find the complement of a. b) Find the supplement of a. c) Find two angles, one positive and one negative, that are coterminal with a. d) Suppose a is a central angle in a circle with radius 30 inches. What is the length of the arc cut by a? e) Is a acute, obtuse, or neither? Explain. f) Give any complete explanation as to why tan a < cos a. 1. Suppose a = ·

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