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OpenStudy (anonymous):
Simplify the expression: tan x cos x
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OpenStudy (anonymous):
\[tanx= sinx \div cosx\] and (sinx/cosx)(cosx)=sinx
OpenStudy (anonymous):
so: tan x cos x = (sin x/cos x) (cos x ) = sin x, make sense?
OpenStudy (anonymous):
Yeah i undersand. Thanks!!
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