Q. 65.0( 3 Votes )

Find the value of the following:

4cot245° – sec260° + sin260° + cos290°

Answer :

cot45° = 1


cot245° = 1


sec60° = 2


sec260° = 4




cos90° = 0


cos290° = 0


4cot245° – sec260° + sin260° + cos290°




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