Question

Please help! 12 points

Answer 1

Answer:

Step-by-step explanation:

sin2x = 2sinx*cosx

         = $2\sqrt{sin^{2}x }$ * cosx

         = $2\sqrt{(1-cos^{2}x }$ * cosx

         = 2  $\sqrt{1-\frac{3}{5} ^{2} } *\frac{3}{5}$

         = $\frac{8}{5} * \frac{3}{5}$  

         = 24/25