Solution of task 7.9.10 from the collection of Kepe OE

Solution of task 7.9.10 from the collection of Kepe OE

7.9.10
The point moves in the plane. The equation of the polar radius r = sin? T is given. Determine the polar angle? At the time when r = 1m, if d? / Dt = 0.4 rad / s. For t0 = 0, the angle? 0 = 0. (Answer 0.2)

Discount for regular customers! If the total of your purchases from the seller Михаил_Перович exceeds:

• $200 discount 15%
• $100 discount 10%
• $50 discount 7%
• $20 discount 5%
• $10 discount 3%
• $5 discount 2%
• $1 discount 1%