Reason For Learning
To put what has been learned previously about trigonometric ratios to practical use. You can use trigonometric ratios to find unknown side lengths of a right triangle given the measures of any side and any acute angle.
Learning Intention
How to sove problems in practical situations involving right angled triangles. How to select and use the appropriate trigonometric ratios in right angled triangles to find unknown sides. How to use a calculator to find approximate values for the trigonometric ratios of a given angle measured in degrees. How to use inverse trigonometric functions to find unknown angle measures in right triangles.
Key Vocabulary Terms