janny23 janny23
  • 13-03-2015
  • Mathematics
Answered

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



Answer :

cathie4510
cathie4510 cathie4510
  • 14-03-2015
 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
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