Multiple Choice
Use a graphing utility to determine which of the trigonometric functions is equal to the following expression.
A) y = cos x2- 2 2 - 2
B) y = sin x2- 2 2 - 2
C) y = csc x4- 2 2 - 4
D) y = cot x4- 2 2 - 4
E) y = tan x4- 2 2 - 4
Correct Answer:

Verified
Correct Answer:
Verified
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