Question

f(x)=2sen2x+3cos3x+4tan4x calcular f(pi/2)

Answer 1

Resposta:

Explicação passo-a-passo:

Temos que:

f(x) = 2sen2x + 3cos3x +4tg4x

f($\frac{\pi}{2})=2sen\pi+3cos\frac{3\pi}{2}+4tg2\pi=>f(\frac{\pi}{2}=2.0+3.0+4.0=>f(\frac{\pi}{2}=0$