Find the value of the following:
4cot245° – sec260° + sin260° + cos290°
cot45° = 1
∴ cot245° = 1
sec60° = 2
∴ sec260° = 4
cos90° = 0
∴ cos290° = 0
∴4cot245° – sec260° + sin260° + cos290°
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