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An angle co-terminal with 5pi/7 is: a) -9pi/7 b) -2pi/7 c) 12pi/7 d) 20pi/7

An angle co-terminal with 5pi/7 is: a) -9pi/7 b) -2pi/7 c) 12pi/7 d) 20pi/7
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An angle co-terminal with 5pi/7 is:
a) -9pi/7
b) -2pi/7
c) 12pi/7
d) 20pi/7

User TheOrdinaryGeek
by
8.5k points

1 Answer

2 votes
To find co-terminal angles, add or subtract 2π. Make sure the denominator is the same as the original problem.

5π/7
+ 14π/7
19π/7


5π/7
- 14π/7
-9π/7

a
User Jakobandersen
by
7.9k points
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