Which of the following is not equal to cos(520°)?

cos(160°)

cos(200°)

cos(...

Mathematics, 12.11.2019 11:31, dannmend123

# Which of the following is not equal to cos(520°)?

cos(160°)

cos(200°)

cos(20°)

-cos(-20°)

explain your answer

Answers: 1

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