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OpenStudy (anonymous):
The equation sin(x)=√4/4 is an identity. T or F?
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OpenStudy (anonymous):
false
OpenStudy (anonymous):
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.
OpenStudy (anonymous):
sin^2x+cos^2x=1, like these rules are identities...the values of x can change so the answer is definitely false.
OpenStudy (anonymous):
OH! Okay, I get it now. Thanks to both of you :)
OpenStudy (anonymous):
yw
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