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Use tables to find cosine of 8° 12’

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Question

Use tables to find cosine of 8° 12’

Numerical
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Solution

cos 8° 12’ = cos 0.9898

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Chapter 21: Trigonometrical Identities - Exercise 21 (D) [Page 331]

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Selina Concise Mathematics [English] Class 10 ICSE
Chapter 21 Trigonometrical Identities
Exercise 21 (D) | Q 2. (ii) | Page 331
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