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How to solve this problem for my pre calculous class.
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How to solve this problem for my pre calculous class.

How to solve this problem for my pre calculous class.-example-1
User Codingoutloud
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take the cos-1 of both sides to get 3x=30 then divide by 3 to get ×=10
How to solve this problem for my pre calculous class.-example-1
User Quentin Grisel
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