Example: Finding Cosine and Sine in Quadrants II–IV

Let’s work through an example of finding the cosine and sine of an angle in Quadrant II. Select the play button to begin the example, and then use the check answer button to view the solution and use the navigation buttons to pause/stop the example. View the presentation as often as you would like, and take notes as you follow along.  Be sure to set your volume at a reasonable level before you begin.

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Review Worksheet

Complete the review worksheet for this section before taking the quiz. Download the review worksheet, complete the questions, and then download the answer key to check your work. Make sure to ask your teacher any questions.