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What is the value of sec 60° – \( \frac {1}{cosec \, 90^{\circ }}\)?(a) Cot 30°(b) Cot 45°(c) Cot 60°(d) Tan 60°The question was asked during an internship interview.This question is from Trigonometric Ratios ofSpecific Angles topic in chapter Trigonometry of Mathematics – Class 10

Answer»

Right CHOICE is (b) COT 45°

Explanation: sec 60° – \( \frac {1}{cosec \, 90^{\CIRC }}\) = 2 – \( \frac {1}{1}\)

= 1

= cot 45°



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