HP 9g Graphing Calculator Manual download pdf (Page 16)

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To change the angular unit setting to another setting, press

[ DRG ] repeatedly until the angular unit you want is indicated on the

display.

The conversion procedure follows (also see Example 25):

1. Change the angle units to the units you want to convert to.

2. Enter the value of the unit to convert.

3. Press [ 2nd ] [ DMS ] to display the menu. The units you can select are

°(degrees), ’ (minutes), ” (seconds), r (radians), g (gradians) or



DMS

(Degrees-Minutes-Seconds).

4. Select the units you are converting from.

5. Press [ ] twice.

To convert an angle to DMS notation, select



DMS. An example of DMS

notation is 1° 30’ 0” (= 1 degrees, 30 minutes, 0 seconds). See Example

26.

To convert from DMS notation to decimal notation, select

°(degrees), ’(minutes), ”(seconds). See Example 27.

Trigonometric and Inverse Trigonometric functions

The calculator provides standard trigonometric functions and inverse

trigonometric functions: sin, cos, tan, sin

-1

, cos

-1

and tan

-1

. See Example 28.

Note: Before undertaking a trigonometric or inverse trigonometric

calculation, make sure that the appropriate angular unit is set.

Hyperbolic and Inverse Hyperbolic functions

The [ 2nd ] [ HYP ] keys are used to initiate hyperbolic and inverse

hyperbolic calculations using sinh, cosh, tanh, sinh

-1

, cosh

-1

and tanh

-1

. See

Example 29.

Note: Before undertaking a hyperbolic or inverse hyperbolic calculation,

make sure that the appropriate angular unit is set.

Coordinate Transformations

Press [ 2nd ] [ R P ] to display a menu to convert rectangular coordinates

to polar coordinates or vice versa. See Example 30.

Note: Before undertaking a coordinate transformation, make sure that the

appropriate angular unit is set.

Mathematical Functions

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HP 9g Graphing Calculator Manual Page 16

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