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प्रश्न
Use trigonometrical tables to find tangent of 17° 27'
संख्यात्मक
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उत्तर
tan 17° 27' = tan (17° 24' + 3')
= 0.3134 + 0.0010
= 0.3144
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पाठ 21: Trigonometrical Identities - Exercise 21 (D) [पृष्ठ ३३१]
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