Question 1063290
A positive co-terminal angle is:
{{{ 2*pi + 5*pi/4 = 8*pi/4 + 5*pi/4 }}}
{{{ 13*pi/4 }}}
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A negative co-terminal angle is:
{{{ -2*pi + 5*pi/4 = -8*pi/4 + 5*pi/4 }}}
{{{ -3*pi/4 }}}