Trigonometric equation sin^4x+cos^4x=sin2x - 1/2

Trigonometry equalities, inequalities and expressions - sin, cos, tan, cot

Trigonometric equation sin^4x+cos^4x=sin2x - 1/2

Postby Guest » Sun Apr 07, 2013 5:47 am

Hi!I need some help...
sin^4x+cos^4x=sin2x - 1/2

10x :)
Guest
 

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