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Question - Trigonometric Ratios of Complementary Angles

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Question

Without using trigonometric tables, evaluate the following:

`( i)\frac{\cos37^\text{o}}{\sin53^\text{o}}\text{ }(ii)\frac{\sin41^\text{o}}{\cos 49^\text{o}}(iii)\frac{\sin30^\text{o}17'}{\cos59^\text{o}\43'}`

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