Mathematics · Trigonometry

यदि sin A = 35, cos B = 1213, और A तथा B दोनों प्रथम चतुर्थांश में हैं, तो cos(A+B) का मान ज्ञात कीजिए।

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यदि sin A = 35, cos B = 1213, और A तथा B दोनों प्रथम चतुर्थांश में हैं, तो cos(A+B) का मान ज्ञात कीजिए।

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यदि sin A = 35, cos B = 1213, और A तथा B दोनों प्रथम चतुर्थांश में हैं, तो cos(A+B) का मान ज्ञात कीजिए।

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