graciealbritt graciealbritt

01-10-2019
SAT

contestada

solve -6-2 cos x = -6-8 cos x for 0 < x<180

Respuesta :

surjithayer10otahza surjithayer10otahza

05-10-2019

Answer:

Explanation:

-6-2cos x=-6-8 cos x

6 cos x=0

cos x=0=cos 90

x=90°

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