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Evaluate the following: sec 32 ° cot 26 ° tan 64 ° cosec 58 ° - Mathematics

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Question

Evaluate the following: `(sec32° cot26°)/(tan64° "cosec"58°)`

Sum

Solution

`(sec32° cot26°)/(tan64° "cosec"58°)`

= `(sec(90° - 58°) cot(90° - 64°))/(tan64° "cosec"58°)`

= `("cosec"58° cot64°)/(tan64° "cosec"58°)`
= 1.

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Trigonometric Equation Problem and Solution
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Chapter 27: Trigonometrical Ratios of Standard Angles - Exercise 27.3

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Frank Mathematics [English] Class 9 ICSE
Chapter 27 Trigonometrical Ratios of Standard Angles
Exercise 27.3 | Q 1.5
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