sphere the equations governing the remaining sides and angles may be obtained by applying the rules for the right spherical triangle of the previous section to the polar triangle A'B'C' with sides a',b',c' such that A' = ' - a, a = - A etc. The results are:

'Logarithm

Given a positive real number b such that b != 1, the logarithm of a positive real number x with respect to base b is the exponent

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