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If the maximum value of (3\sin \theta+4\cos \theta) is (M), what is (M)?यदि (3\sin \theta+4\cos \theta) का अधिकतम मान (M) है, तो (M) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (5)(5)
The maximum of (a\sin \theta+b\cos \theta) is ( \sqrt{a^2+b^2}), so (M=5). In exams add the squares of coefficients.(a\sin \theta+b\cos \theta) का अधिकतम (\sqrt{a^2+b^2}) होता है, इसलिए (M=5)। परीक्षा में coefficients का square जोड़ें।
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