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4. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 10.XP.4.027. 5/100 Submissions Used MY NOTES ASK YOUR TEACHER Find the slope of the tangent line to the given polar curve at the point specified by the value of 0. r = sin(30), 0 = 4 2.12132034355964...... Your answer cannot be understood or graded. More Information X Need Help? Read It Watch It Submit Answer5. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 10.XP.3.041. 1/100 Submissions Used MY NOTES ASK YOUR TEACHER Use a graph to estimate the y-coordinate of the highest points on the graph of r = sin(20). Then use calculus techniques to find the exact value. y = 1 X Need Help? Read It Submit Answer6. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALCET9 10.XP.4.031. 3/100 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the points on the graph of the polar equation where the tangent line is horizontal or vertical. (Assume 0 S 0