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OpenStudy (anonymous):
is the equation cosx=sqrt3/2 an identity?
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OpenStudy (anonymous):
nop
OpenStudy (anonymous):
its a point
OpenStudy (anonymous):
thanks! I felt like it wasn't one either
OpenStudy (anonymous):
np
OpenStudy (mathstudent55):
An identity is an equation that is true for every value of x. In this case, there are only some values of x whose cosine is sqrt3/2, so it is not an identity.
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