Question

Persamaan garis singgung
y = 2x + sinx di titik (phi,2phi)

Answer 1

Y = 2x + sin x
m = y' 
m = 2 + cos x 
untuk x = π --> m = 2 + cos π 
m = 2 + (-1)
m = 1

y - y1 = m (x - x1)
y- 2π = 1(x - π)
y = x - π + 2π
y = x  + π