If sinA =cosA, find all the trigonometrical ratios of an angle A.​

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Solve the given system of equations. 2y= -x+9 , 3x-6= -15