Calculus 2

Please answer the questions correctly. Please type the answers. Thank you.

1. [-/1 Points] DETAILS SCALCET9 10.XP.2.039. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER Find an equation of the tangent line to the curve at the point corresponding to the given value of the parameter. x = t cos(t), y = t sin(t); t = n y Need Help? Read It Submit Answer2. [l1 Points] DETAILS SCALCET9 10.2'038.M|. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the area enclosed by the given parametric curve and the y'axis. X:t272t, y:ft -].0 0.5 0.5 1.0 1.5 (D Need Help? SubmitAnswer 3. [-/1 Points] DETAILS SCALCET9 10.XP.2.026. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the exact length of the curve described by the parametric equations. x = 7 +3t2, y = 1+25, osts5 Need Help? Read It Watch It Submit Answer 4. [-/1 Points] DETAILS SCALCET9 10.2.054. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the length of the loop of the following curve. x = 12t - 4t3, y = 12t2 Need Help? Read It Submit Answer5. [-/1 Points] DETAILS SCALCET9 10.2.073. 0/100 Submissions Used MY NOTES ASK YOUR TEACHER Find the exact area of the surface obtained by rotating the given curve about the x-axis. x = a cos (0), y = a sin (0), OSOs n/2 Need Help? Read It Submit