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त्रिकोणमिति महत्वपूर्ण प्रश्न

Hindi 17 leveled MCQs Free

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1

class 10th math subject trikonamiti prashnawali important question

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6 marks Long answer

त्रिकोणमिति में कोणों का योग और अंतर की पहचान को विस्तार से समझाएं।

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sin(A ± B) = sin A cos B ± cos A sin B और cos(A ± B) = cos A cos B ∓ sin A sin B।

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5 marks Long answer

एक समकोण त्रिकोण में, यदि कर्ण 10 cm है और एक कोण 30° है, तो विपरीत भुजा का मान ज्ञात करें।

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विपरीत भुजा = 10 * sin 30° = 10 * 1/2 = 5 cm।

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4 marks Medium answer

एक त्रिकोण में, यदि एक कोण 45° है और उसकी विपरीत भुजा 10 cm है, तो कर्ण का मान ज्ञात करें।

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कर्ण = 10 / sin 45° = 10√2 cm।

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4 marks Medium answer

त्रिकोणमिति में कोणों का योग और अंतर की पहचान क्या है?

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sin(A ± B) = sin A cos B ± cos A sin B।

The full exam-length answer is in the app.

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