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Question - Trigonometric Ratios of Complementary Angles and Direct Application

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ConceptTrigonometric Ratios of Complementary Angles and Direct Application  

Question

Express each of the following in terms of trigonometric ratios of angles between 0º and 45º;

(i) cosec 69º + cot 69º

(ii) sin 81º + tan 81º

(iii) sin 72º + cot 72º

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