5–12 Sketch the curve with the given vector equation. Indicate with an arrow the direction in which t increases. 5. r(t) (sin t, t) 6. r(t) = (t°, t² ) 7. r(t) = (t, 2 – t, 2t) 8. r(t) = (sin Tt, t,...

8)
Sketch the curve with the given vector equation. Indicate with an arrow the direction in which t increases.  r(t)=(sin(pi)t, t, cos(pi)t)

Extracted text: 5–12 Sketch the curve with the given vector equation. Indicate with an arrow the direction in which t increases. 5. r(t) (sin t, t) 6. r(t) = (t°, t² ) 7. r(t) = (t, 2 – t, 2t) 8. r(t) = (sin Tt, t, cos Tt) 9. r(t) (1, cos t, 2 sin t) 10. r(t) = t²i + tj + 2k 11. r(t) = t²i + t*j + t°k 12. r(t) : = cos t i cos tj + sintk -