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Mathematics 8 Online
OpenStudy (anonymous):

Help me solve some trig problem!

OpenStudy (anonymous):

\(\Large sin(\frac{\pi}{4}+5x)cos(\frac{\pi}{4}+2x)=sin(\frac{\pi}{4}+x)sin(\frac{\pi}{4}-6x)\)

OpenStudy (anonymous):

this equal sign should be minus, correct?

OpenStudy (anonymous):

never mind

OpenStudy (anonymous):

\(\Large sin(\frac{\pi}{4}+6x)?\)

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