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find the value of: sin 30° cos 30° - Mathematics

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Question

find the value of: sin 30° cos 30°

Sum

Solution

sin 30° cos 30° = `(1)/(2).(sqrt3)/(2)=(sqrt3)/(4)` 

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Chapter 23: Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios] - Exercise 23 (A) [Page 291]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 23 Trigonometrical Ratios of Standard Angles [Including Evaluation of an Expression Involving Trigonometric Ratios]
Exercise 23 (A) | Q 1.1 | Page 291

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