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प्रश्न
Use tables to find sine of 62° 57'
संख्यात्मक
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उत्तर
sin 62° 57' = sin (62° 54' + 3')
= 0.8902 + 0.0004
= 0.8906
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पाठ 21: Trigonometrical Identities - Exercise 21 (D) [पृष्ठ ३३१]
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