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OpenStudy (anonymous):
use the fact that the trigonometric functions are periodic to find the exact value of the given expression. do not use a calculator. tan 420
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OpenStudy (anonymous):
1.732050808
OpenStudy (anonymous):
how did you find that?
OpenStudy (anonymous):
calculator
OpenStudy (anonymous):
but you're not supposed to use a calculator.
OpenStudy (anonymous):
oops
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