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OpenStudy (moongazer):
is cos^A = (cos A)(cos A)
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OpenStudy (moongazer):
typo is cos^2 A = (cos A)(cos A) that is the real question
OpenStudy (anonymous):
yes
OpenStudy (moongazer):
thanks
OpenStudy (anonymous):
yes
jhonyy9 (jhonyy9):
if the exponent is 2 than yes
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