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Solve the following equation for A, if √ 3 cot 2 A = 1 - Mathematics

Sum

Solve the following equation for A, if `sqrt3` cot 2 A = 1

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Solution

`sqrt3cot` 2 A = 1
cot 2 A = `(1)/(sqrt3)`
cot 2 A = cot 60°
2A = 60°
A = 30°

Concept: Trigonometric Equation Problem and Solution
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APPEARS IN

Selina Concise Mathematics Class 9 ICSE
Chapter 23 Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios]
Exercise 23 (C) | Q 1.8 | Page 297
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