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How to calculate tan(A)20/2120/2921/2921/20quickly for my study guide so I can study for tomorrow’s quiz.

How to calculate tan(A)20/2120/2921/2921/20quickly for my study guide so I can study-example-1
User Erluxman
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1 Answer

22 votes
22 votes

The answer is 21/20.

You have to remember the following identity:


tan(A)=(sin(A))/(cos(A))=(Opposite)/(Adjacent)

User Amirify
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