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प्रश्न
Use tables to find sine of 47° 32'
संख्यात्मक
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उत्तर
sin 47° 32' = sin (47° 30' + 2')
= 0.7373 + 0.0004
= 0.7377
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अध्याय 21: Trigonometrical Identities - Exercise 21 (D) [पृष्ठ ३३१]
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