Texas Instruments TI-30XIIB Owners Manual - Page 48

Mathematical, Expressions, Cosines, Exponents, Logarithms

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APPENDIX C Mathematical Expressions Trigonometric Relations sin () Y cost) = x (1 tans) - x sin2 () + cos' (1 1 e'" = cos (1 i sin o i VL1 Law of Cosines a2 + b2 - 2ab cos c' b Laws of Exponents x '" 1 - a (ab)' = x 1,4 a' -, (a'). - a" a" - 1 Laws of Logarithms In(r) = x In y tn(ab) = in a + In b In( a ) =i In a - In b 46

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APPENDIX
C
Mathematical
Expressions
Trigonometric
Relations
(1
sin
()
Y
cost)
=
x
tans)
-
x
sin
2
()
+
cos'
(1
1
e'"
=
cos
(1
i
sin
o
i
VL1
Law
of
Cosines
a
2
+
b
2
-
2ab
cos
c'
b
Laws
of
Exponents
Laws
of
Logarithms
x
'"
1
-
a
In(r)
=
x
In
y
tn(ab)
=
in
a
+
In
b
(ab)'
(a')
.
=
x
1,
4
-
a"
a'
-,
a"
-
1
In(
a
)
=i
In
a
-
In
b
46