Question

Find one positive and one negative angle coterminal with an angle of id="TexFormula1" title="\frac{11pi}{8}" alt="\frac{11pi}{8}" align="absmiddle" class="latex-formula">.
idk how to do the pi sign

Answer 1

Answer:

see explanation

Step-by-step explanation:

Co terminal angles are angle ± 2π, that is

$\frac{11\pi }{8}$ + 2π

= $\frac{11\pi }{8}$ + $\frac{16\pi }{8}$ = $\frac{27\pi }{8}$

and

$\frac{11\pi }{8}$ - 2π

= $\frac{11\pi }{8}$ - $\frac{16\pi }{8}$ = - $\frac{5\pi }{8}$