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Which function is an even function? A y=2sin²(4x) +5sina y=tan²()—2tanc B. C. y=3cos2 (31)—cost D. y=csc²2(2-2)-csca
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18 votes
Which function is an even function?

A y=2sin²(4x) +5sina
y=tan²()—2tanc
B.
C. y=3cos2 (31)—cost
D. y=csc²2(2-2)-csca

User ProxyGear
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1 Answer

7 votes
C because y=3cos2 (31) -cost
User Brcolow
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