Year 9 Interactive Maths - Second Edition

Using a Graphics Calculator

If you are using another calculator, consult its instruction booklet or ask your teacher for help.

Press QUIT to return to the Home Screen and clear the screen if necessary. Then press:

to obtain the angle whose sine is 0.5.

The solution is usually set out as follows:

Example 9

Solution:

We set out the solution as follows:

Note:

We set out the solution as follows:

Note:

We set out the solution as follows:

Note: 

Key Terms

inverse trigonometric functions