The value of cos 4x will be – McqOptions

MCQOPTIONS

1.	The value of cos 4x will be
A.	1 - 3sin2x cos2x
B.	1 - 8sin2x cos2x
C.	1 - 5sin2x cos2x
D.	1 - 4sin2x cos2x
Answer» C. 1 - 5sin2x cos2x

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