○○○ synchronous ⪢⪢
Because the moon's period of rotation is
equal to its period of revolution, that is to say, because the moon takes the same amount of time to spin as it does to orbit the earth, we from the earth only ever see one face of the moon.
http://qindex.info/i.php?x=14015
○○○ logarithm ⪢⪢
With logs, the base of the log raised to the power of what's on the other side of the
equal sign will
equal the number that the log is operating on. ┆ x⍻b = y ➔ b˄y = x
#math
http://qindex.info/i.php?x=28240
• Cross Product
Given two nonzero vectors in two or three dimensions, their cross product is a vector with magnitude
equal to the product of the magnitudes of the vectors times the sine of the angle between the vectors and direction perpendicular to the vectors.
http://qindex.info/i.php?x=5291
• 41 Logarithms Part 1
When we say log base b of x
equals y, we are saying b to the y
equals x.
With logs, the base of the log raised to the power of what's on the other side of the
equal sign will
equal the number that the log is operating on.
http://qindex.info/i.php?x=3638