please help! 12 points
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Answer:
Step-by-step explanation:
sin2x = 2sinx*cosx
= [tex]2\sqrt{sin^{2}x }[/tex] * cosx
= [tex]2\sqrt{(1-cos^{2}x }[/tex] * cosx
= 2 [tex]\sqrt{1-\frac{3}{5} ^{2} } *\frac{3}{5}[/tex]
= [tex]\frac{8}{5} * \frac{3}{5}[/tex]
= 24/25