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The equation sin(x)=√4/4 is an identity. T or F?

Mathematics
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false
no. an identity is a statement that is ALWAYS true no matter what x is. Here, if x = 0, the equation sin(0) = (sqrt2)/2 would be false.
sin^2x+cos^2x=1, like these rules are identities...the values of x can change so the answer is definitely false.

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OH! Okay, I get it now. Thanks to both of you :)
yw

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