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Without using calculator, find 4cos50°−tan40°4 \cos 50 \degree - \tan 40 \degree4cos50°−tan40°.
Let AAA denote the answer. Submit ⌊1000A⌋\lfloor 1000A \rfloor⌊1000A⌋.
Have a look at my problem set: SAT 1000 problems
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