**Note: **If you would like a review of trigonometry, click on
trigonometry.

Work the following problems. Click on *Solution*, if you want to
review the solutions.

**Problem** 9.10a:

**Solution**

**Problem** 9.10b:

**Solution**

**Problem** 9.10c:

**Solution**.

**Problem** 9.10d:

**Solution**.

If you would like to review the word solution to any of the above problems,
click on solution to the right of the problem.**
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If you would like to go back to the previous section, click on *
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