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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20-02-2018
Mathematics

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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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wildoutdesigns wildoutdesigns · Answer 1 · 2018-02-20T21:40:15+01:00

wildoutdesigns wildoutdesigns

20-02-2018

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

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paigepretty12889 paigepretty12889 · Answer 2 · 2021-03-06T17:24:24+01:00

paigepretty12889 paigepretty12889

06-03-2021

Answer:

C

Step-by-step explanation:

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