Topics within Trigonometry
Trigonometric identities are the most important part of the entire subject - if you read only one page from this course, it should be this one.
We're going to start exploring the following rectangle:
Copy the diagram down, and try to fill in all the blanks in the order below.
When you're done, plug in your answers to check them.
$\displaystyle{m\angle BDC = }$
$\displaystyle{m\angle ABF}= $
$\displaystyle{AF}= $
$\displaystyle{AB}= $
$\displaystyle{BD}= $
$\displaystyle{FD}= $
$\displaystyle{BC}= $
$\displaystyle{CD}= $
$\displaystyle{DE}= $
$\displaystyle{FE}= $