If sinx=25\displaystyle {\sin{{x}}}=\frac{{2}}{{5}}, x in quadrant I, then find (without finding x)

sin(2x)=\displaystyle {\sin{{\left({2}{x}\right)}}}=  
cos(2x)=\displaystyle {\cos{{\left({2}{x}\right)}}}=  
tan(2x)=\displaystyle {\tan{{\left({2}{x}\right)}}}=