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Mathematical Techniques

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nwestyn's version from 2015-10-13 19:25

Section 1

Question Answer
sinh(x) =[(e^x) - (e^-x)] / 2
cosh(x) =[(e^x) + (e^x)] / 2
tanh(x) =sinh(x) / cosh(x)
gradient =y change/ x change
memorize

Section 2

Question Answer
1/(e^x)(e^-x)
e^x = a ==ln(a) = x
ln(A^n) =nln(A)
ln(e^x) =x
e^ln(x)x
a^x = b ==log.a(b) = x
log.a(N) =[log.b(N)]/[log.b(a)]
memorize

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