Step-by-step example – HP 49g Graphing Calculator User Manual

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Step-by-step example

This example differentiates the following expression in step-by-step
mode.

3sin.x' + 4cos^x

1. Use the method described in the previous section to ensure that step-

by-step mode is set.

2. Press (EQW) to open Equation Writer.

3. Create the expression

3®@®®©4@@®©2®®®0

4. Select the expression.

5. Evaluate the first step.

6. Evaluate the next step.

7. Evaluate the next step.

8. Evaluate the last step. This returns the

final result of the derivation.

,3.SIH(.X)+4.C0SC.X)

ni>«KTrslanacrCram^laht

t8.C0S(X).SIH(X)-3.C0S(X)

BHIEHSlBimBElliSBl

Page 5-20

Working with expressions