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OpenStudy (anonymous):
Verify using Sum-to-Product and Product-to-Sum Identities. 2cos^2 x/2 tanx=tanx+sinx
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OpenStudy (anonymous):
\[2\cos ^2\frac{ x }{ 2 }\tan x =\tan x +\sin x\]
OpenStudy (anonymous):
I know to start with the difficult side first. LHS
OpenStudy (loser66):
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