By expressing cos 113° in terms of trigonometrical ratios, answer – McqOptions

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1.	By expressing cos 113° in terms of trigonometrical ratios, answer will be
A.	− cos 62° = -0.8520
B.	− cos 65° = -0.4258
C.	− cos 67° = -0.3907
D.	− cos 76° = -0.7093
Answer» D. − cos 76° = -0.7093

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