English

find the value of: tan 30° tan 60°

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Question

find the value of: tan 30° tan 60°

Sum
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Solution

tan 30° tan 60° = `(1)/(sqrt3)(sqrt3) = 1`

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Chapter 21: Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals] - EXERCISE 21 (C) [Page 322]

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Selina Concise Mathematics [English] Class 9 ICSE
Chapter 21 Trigonometrical Ratios [Sine, Consine, Tangent of an Angle and their Reciprocals]
EXERCISE 21 (C) | Q 2. (ii) | Page 322
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