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Mathematics 11 Online
OpenStudy (anonymous):

how do u graph y=2sin2xcos2x

OpenStudy (anonymous):

2sin2xcos2x = sin4x, ok?

OpenStudy (anonymous):

how did u get sin 4x?????

OpenStudy (anonymous):

that's the identity!! sin 2x = 2 sin x cos x you can pay attention at 2x and x sin 4x = 2 sin (2x) cos (2x) and here, at 4x and 2x

OpenStudy (anonymous):

Alright i understood now... thank u so much... will ask u for help.. currently having a test... its all by my self, plz do help me

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