Is 1800 degrees coterminal with -1800 degrees?

1 Answer
Jim G.
Aug 2, 2018

#1800^@" and "-1800^@" are coterminal"#

Explanation:

#"If an "angleA=x^@" then "angleB#

#"is coterminal if it measures "x+-360nton=0,1,2,3, ...#

#x=1800^@#

#x-(10xx360)^@=1800-3600=-1800^@#

#"thus "1800^@" and "-1800^@" are coterminal"#

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