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OpenStudy (anonymous):
is sinx=(sqrt2)/2 an identity?
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OpenStudy (jdoe0001):
what do you mean?
OpenStudy (jdoe0001):
I mean, the right-hand side is not really an expression, is a value
OpenStudy (anonymous):
sin(x) isn't equal sqrt(2)/2 for all x in the domain, so no it isn't an identity
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