Inactive Tutor answered • 07/25/19
Tutor
New to Wyzant
Sounds like this is in radians; 3rd quad.
sin-.523.....=-1/2
cos=.866......=.866*57.295=49.62°
cos49.62°=.64785
θ=-130.38° or -2.2755.......rad
180/pi=rad
Alyssa R.
asked • 07/25/19What is cos(Θ)?
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