Mathematics, 25.08.2019 22:50, cameronking019

What are all the exact solutions of cos x = - sqrt(3) / 2 on the interval pi < = x < = 2 pi ? give your answer in radians.
a )pi / 6 and 11 pi /6
b ) 5 pi / 6
c ) 7 pi / 6
d ) 5 pi / 6 and 7 pi / 6

Answers: 1

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What are all the exact solutions of cos x = - sqrt(3) / 2 on the interval pi < = x < = 2 pi ?...