Question: Let 0 = arccos(-2), then 0 = 5 and and cos COS 0 = - = and cos COS 0 = 4 O 0=-

Let 0 = arccos(-2), then 0 = 5 and and cos COS

Let 0 = arccos(-2), then 0 = 5 and and cos COS 0 = - = and cos COS 0 = 4 O 0=- -5 == O= 3 and cos 0 = 0= 37 and cos 0= = 2 2 22 22

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