HP 48g Graphing Calculator User Manual
Page 265
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The RULES Menu—Rearranging Exponentials
Key
Description
L*
Replace log-of-power with product-of-log.
!.... ( )
Replace product-of-log with log-of-power.
Replace power-product with pow^er-of-power.
Replace power-of-pow^er with pow'er-product.
•• ! i L:i
Replace exponential with trigonometric functions.
(This example assumes Radians mode.)
EoPifl) costfi--'i > + SIN<fl-"’i *i
The RULES Menu—Adding Fractions
20
Key
Description
Add fractions. Combines terms over a common
denominator. (If the denominator is already common
between two fractions, use M-e .)
The RULES Menu—Expanding Trigonometric Functions
Key
Description
Expand-trigoiiometric-defmition. Replaces
trigonometric, hyperbolic, inverse trigonometric, and
inverse hyperbolic functions wdth their definitions in
terms of EXP and LN. (These examples assume
Radians mode.)
flS
I NH
<
U
> -+ -
LH
< i <
1 +U"'"2
>
"-U
>
Expand as product-of-trigonornetric-fimctions.
Expands trigonometric functions of sums and
differences.
'6 1 N t K+Y .1’ —^ B J. N t K ;■ YBUS t Y .5 + IJUo (. K .eiS i. M c Y .1'
Calculus and Symbolic Manipulation 20-25