The value of integral (_0^? frac {cos n theta d theta }{cos theta-c – McqOptions

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1.	The value of integral (_0^? frac {cos n theta d theta }{cos theta-cos } )= ( frac {sin n }{sin } ) is valid for the limit 0 to_____
A.
B.	2
C.
D.	n
Answer» B. 2

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