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Mathematics 16 Online
OpenStudy (anonymous):

use a double angle formula to rewrite the following expression -14sin(x)cos(x)

OpenStudy (anonymous):

-7 sin 2x

jimthompson5910 (jim_thompson5910):

Since sin(2x)=2sin(x)cos(x), this means that -7sin(x)=-14sin(x)cos(x) (I multiplied both sides by -7)

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