Question
Download Solution PDFXY-तल में इकाई सदिश क्या होगा, जो x-अक्ष की धनात्मक दिशा से 30° का कोण बनाता है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
एक इकाई सदिश जो x-अक्ष की धनात्मक दिशा के साथ α कोण बनाता है और y-अक्ष की धनात्मक दिशा के साथ एक कोण β, cos(α)î + cos(β)ĵ द्वारा दिया जाता है।
स्पष्टीकरण:
दिया गया है:
दिया गया इकाई सदिश x-अक्ष की धनात्मक दिशा से 30° का कोण बनाता है।
x-अक्ष की धनात्मक दिशा के साथ कोण = 30°
⇒ y-अक्ष की धनात्मक दिशा के साथ कोण = 60°
∴ आवश्यक इकाई सदिश cos(30°)î + cos(60°)ĵ है।
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Last updated on Jul 4, 2025
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