3. Decide whether you want the aplet to operate in Degrees,

 

Radians, or Grads.

 

>6+,)7@ MODES

 

 

 

 

 

 

&+226_

 

 

 

Select Degrees

 

 

 

2._

 

 

 

 

 

 

 

4. Ensure the TRIANGLES aplet is saved in the Aplet

 

Library.

 

>$3/(7@

 

 

 

 

 

 

The Solve aplet can now

 

 

 

be reset and used for other

 

 

 

problems.

 

 

Example: To use

 

 

 

To use the aplet, simply select the appropriate formula,

the customized

change to the Numeric view and solve for the missing

aplet

variable.

 

Find the length of a ladder leaning against a vertical wall if it

 

forms an angle of 35o with the horizontal and extends 5 metres

 

up the wall.

 

1. Select the aplet.

 

 

 

 

 

>$3/(7@￿Select

 

 

 

TRIANGLES

 

 

 

67$57_￿

 

 

 

2. Choose the sine formula in

 

 

 

 

 

 

 

 

E1.

 

 

 

*k,*k,*k,*k,￿_￿&+._￿

 

 

 

3. Change to the Numeric

 

 

 

 

 

 

 

 

view and enter the known

 

 

 

values.

 

 

 

>180@

 

 

 

35 >(17(5@

 

 

 

 

 

 

5 >(17(5@

 

 

Extending aplets

16-3