What is the value of [(cos 3Î¸ + 2cos 5Î¸ + cos 7Î¸)Ã·(cos Î� – McqOptions

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1.	What is the value of [(cos 3Î¸ + 2cos 5Î¸ + cos 7Î¸)Ã·(cos Î¸ + 2cos 3Î¸ + cos 5Î¸)] + sin 2Î¸ tan 3Î¸?
A.	cos 2Î¸
B.	sin 2Î¸
C.	tan 2Î¸
D.	cot Î¸ sin 2Î¸
Answer» B. sin 2Î¸

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