Complete the identity.
-$1 - \cos ( 2 \theta ) + \cos ( 6 \theta ) - \cos ( 8 \theta ) =$ ?
A) $4 \sin \theta \sin ( 3 \theta ) \sin ( 4 \theta )$
B) $4 \sin \theta \cos ( 3 \theta ) \sin ( 4 \theta )$
C) $4 \cos \theta \cos ( 3 \theta ) \sin ( 4 \theta )$
D) $4 \cos \theta \cos ( 3 \theta ) \cos ( 4 \theta )$

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The Answer of Complete the identity.
-$1 - \cos ( 2 \theta ) + \cos ( 6 \theta ) - \cos ( 8 \theta ) =$ ?
A) $4 \sin \theta \sin ( 3 \theta ) \sin ( 4 \theta )$
B) $4 \sin \theta \cos ( 3 \theta ) \sin ( 4 \theta )$
C) $4 \cos \theta \cos ( 3 \theta ) \sin ( 4 \theta )$
D) $4 \cos \theta \cos ( 3 \theta ) \cos ( 4 \theta )$

Complete the Identity 1−cos⁡(2θ)+cos⁡(6θ)−cos⁡(8θ)=1 - \cos ( 2 \theta ) + \cos ( 6 \theta ) - \cos ( 8 \theta ) =1−cos(2θ)+cos(6θ)−cos(8θ)=

Complete the Identity $1 - \cos ( 2 \theta ) + \cos ( 6 \theta ) - \cos ( 8 \theta ) =$