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/sci/ - Science & Math

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9650210 No.9650210 [Reply] [Original]

cos3x-2cosx=2sqrt(3)sinx

>> No.9650396

cos^3(x)-2•cos(x)=2•√(3)•sin(x)
or
cos(3x)-2•cos(x)=2•√(3)*sin(x)
????????
parenthesis are important!

>> No.9651713

>>9650210
inverse sin(x)+x