Question
Download Solution PDFz - अक्ष के दिशा कोसाइन का योग क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
सदिश का दिशा कोसाइन कोणों का वह कोसाइन होता है जो निर्देशांक अक्षों के साथ सदिश रूप बनाता है।
गणना:
Z - अक्ष X - अक्ष के साथ एक कोण 90°, Y - अक्ष के साथ 90°, और Z - अक्ष के साथ 0° बनाता है।
∴ Z - अक्ष का दिशा कोसाइन: cos 90, cos 90, cos 0
अर्थात् 0, 0, 1
अब z - अक्ष के दिशा कोसाइन का योग = 0 + 0 + 1 = 1
अतः विकल्प (3) सही है।
Last updated on May 31, 2025
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