2sin68 -2cot15 -3tan45 .tan20 .tan40 .tan50 .tan70 is equal tocos22 5t – McqOptions

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1.	2sin68 -2cot15 -3tan45 .tan20 .tan40 .tan50 .tan70 is equal tocos22 5tan75 5
A.	- 1
B.	0
C.	1
D.	2
Answer» D. 2

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