Solve for x : tan2 (x - 5°) = 3 - Mathematics

Sum

Solve for x : tan² (x - 5°) = 3

Solution

tan² (x – 5°) = 3
tan (x – 5°) = `sqrt3`
tan (x – 5°) = tan 60°
x – 5° = 60°
x = 65°

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 298]

Q 12.06 Q 12.05 Q 12.07

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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 12.06 | Page 298

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Solve for x : tan2 (x - 5°) = 3 - Mathematics

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