Question

sendo f (x)3senx-cos2x+1 o valor de f (r)e

Answer 1

Olá!


$f(x)=3.\sin{x}-\cos2x+1\qquad\qquad\qquad{f(\pi)}=\,\,?\\\\\\f(\pi)=3.\sin\pi-\cos2\pi+1\\\\f(\pi)=3.(0)-(1)+1\\\\\boxed{\boxed{f(\pi)=0}}$



Bons estudos!