CISCEICSE Class 9
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Solve the following equations for A, if tan A = 1 - Mathematics

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Sum

Solve the following equations for A, if tan A = 1

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Solution

tan 3 A = 1
tan 3 A = tan45°
3A = 45°
A = 15°

Concept: Trigonometric Equation Problem and Solution
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Chapter 23: Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios] - Exercise 23 (C) [Page 297]
Q 1.5

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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 1.5 | Page 297
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