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OpenStudy (calebrich):
What is the range of tanx?
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OpenStudy (anonymous):
all real numbers I think
OpenStudy (anonymous):
or it might be -infinity and +infinity
OpenStudy (justin528p):
The reason is that tan(x) =sin(x)/cos(x) and cos(x) is undefined at -pi/2 and pi/2 The range is all real numbers.
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