Verify That Each Equation Is an Identity$$\cos ( 4 \theta ) = \cos ^ { 4 } \theta - 6 \sin ^ { 2 } \theta \cos ^ { 2 } \theta + \sin ^ { 4 } \theta$$

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The Answer of Verify That Each Equation Is an Identity$$\cos ( 4 \theta ) = \cos ^ { 4 } \theta - 6 \sin ^ { 2 } \theta \cos ^ { 2 } \theta + \sin ^ { 4 } \theta$$

Verify That Each Equation Is an Identity $\cos ( 4 \theta ) = \cos ^ { 4 } \theta - 6 \sin ^ { 2 } \theta \cos ^ { 2 } \theta + \sin ^ { 4 } \theta$

Definitions:

Verify That Each Equation Is an Identity cos⁡(4θ)=cos⁡4θ−6sin⁡2θcos⁡2θ+sin⁡4θ\cos ( 4 \theta ) = \cos ^ { 4 } \theta - 6 \sin ^ { 2 } \theta \cos ^ { 2 } \theta + \sin ^ { 4 } \thetacos(4θ)=cos4θ−6sin2θcos2θ+sin4θ

Definitions:

Verify That Each Equation Is an Identity $\cos ( 4 \theta ) = \cos ^ { 4 } \theta - 6 \sin ^ { 2 } \theta \cos ^ { 2 } \theta + \sin ^ { 4 } \theta$