If sin θ + sin 2θ = 1, then what is the value of (cos12θ + 3cos10θ – McqOptions

MCQOPTIONS

1.	If sin θ + sin 2θ = 1, then what is the value of (cos12θ + 3cos10θ + 3cos8θ + cos6θ - 1)?
A.	-1
B.	0
C.	1
D.	2
Answer» C. 1

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