correct answer will be marked as brainliest....I need steps
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CosA=x/r
CosB=y/r
CosC=z/r
Squaring and adding
Cos^2A+Cos^B+cos^2C= (x^2+y^2+z^2)/r^2
= 1
CosB=y/r
CosC=z/r
Squaring and adding
Cos^2A+Cos^B+cos^2C= (x^2+y^2+z^2)/r^2
= 1
Answered by
2
CosA=x/r
CosB=y/r
CosC=z/r
Squaring and adding
Cos^2A+Cos^B+cos^2C= (x^2+y^2+z^2)/r^2
= 1
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