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What is the arc length of an angle of 7π 6 radians formed on the unit circle? A) π 6 B) 5π 6 C) 7π 6 D) 5π 6
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What is the arc length of an angle of 7π 6 radians formed on the unit circle? A) π 6 B) 5π 6 C) 7π 6 D) 5π 6

User Hedge
by
7.1k points

2 Answers

5 votes

Answer:

C

Explanation:

User Apires
by
7.9k points
1 vote
x=cost
y=sint
so x^2+y^2=1
could be represented parametrically
and you would take
Integral
sqrt (1-(dx/dt)^2+(dy/dt)^2) from 0 to 7pi/6
Note, I'm note sure if this is the correct integration formula
User TCHdvlp
by
7.7k points
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