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Tell Whether the Statement Is True or False cos⁡−23∘=cos⁡40∘cos⁡63∘+sin⁡40∘sin⁡63∘\cos - 23 ^ { \circ } = \cos 40 ^ { \circ } \cos 63 ^ { \circ } + \sin 40 ^ { \circ } \sin 63 ^ { \circ }

Question 16

True/False

Tell whether the statement is true or false.
- cos⁡−23∘=cos⁡40∘cos⁡63∘+sin⁡40∘sin⁡63∘\cos - 23 ^ { \circ } = \cos 40 ^ { \circ } \cos 63 ^ { \circ } + \sin 40 ^ { \circ } \sin 63 ^ { \circ }

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