അതിനാൽ നമ്മൾ ഈ സമവാക്യം ഈ രൂപത്തിൽ എഴുതിയിട്ടുണ്ട്, ഇത് ൻറെയും ആണ്, ഈ ടാൻജെന്റ് വെക്റ്റർ ൻറെയും ഡോട്ട് പ്രോഡക്റ്റ്ആണ്.
కాబట్టి మనము ఈ సమీకరణాన్ని ఈ రూపంలో వ్రాసాము, ఇది మరియు డాట్ ప్రాడక్ట్ ఉన్న టాంజెంట్ వెక్టర్ .