Question: Can you please help me answer number23? Problem 23: (first taught in lesson 49) If x = arctan -and x + y = 210, then

Can you please help me answer number23? Problem 23: (first taught

Can you please help me answer number23?

Problem 23: (first taught in lesson 49) If x = arctan -and x + y = 210, then cos y = ? Estimate your answer to two decimal places. After you enter your answer press GO. COS y = GO

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