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Question
Evaluate: `(tan 47°)/(cot 43°)`
Sum
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Solution
`(tan 47°)/(cot 43°)`
= `tan(90°- 43°)/(cot 43°)`
= `(cot 43°)/(cot43°)`
= 1
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Complimentary Angles for Tangent ( Tan ) and Contangency ( Cot )
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Chapter 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - EXERCISE 21 (F) [Page 334]
