Perform the Indicated Operations and Simplify the Result So There$$\cos 67 ^ { \circ } = \cos 13 ^ { \circ } \cos 54 ^ { \circ } - \sin 13 ^ { \circ } \sin 54 ^ { \circ }$$

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The Answer of Perform the Indicated Operations and Simplify the Result So There$$\cos 67 ^ { \circ } = \cos 13 ^ { \circ } \cos 54 ^ { \circ } - \sin 13 ^ { \circ } \sin 54 ^ { \circ }$$

Perform the Indicated Operations and Simplify the Result So There $\cos 67 ^ { \circ } = \cos 13 ^ { \circ } \cos 54 ^ { \circ } - \sin 13 ^ { \circ } \sin 54 ^ { \circ }$

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Perform the Indicated Operations and Simplify the Result So There cos⁡67∘=cos⁡13∘cos⁡54∘−sin⁡13∘sin⁡54∘\cos 67 ^ { \circ } = \cos 13 ^ { \circ } \cos 54 ^ { \circ } - \sin 13 ^ { \circ } \sin 54 ^ { \circ }cos67∘=cos13∘cos54∘−sin13∘sin54∘

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Perform the Indicated Operations and Simplify the Result So There $\cos 67 ^ { \circ } = \cos 13 ^ { \circ } \cos 54 ^ { \circ } - \sin 13 ^ { \circ } \sin 54 ^ { \circ }$

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