Trigonometric Functions
Grade 11•45 minutes•Sin Cos Tan
Learning Objective
I can use the sine, cosine, and tangent functions to find missing angles and side lengths in right triangles.
Practice Questions
This lesson includes 7 practice questions to reinforce learning.
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1. Define the sine, cosine, and tangent functions in terms of a right triangle.
2. In a right triangle, if the length of the opposite side is 5 and the length of the hypotenuse is 13, what is the sine of the angle opposite the side of length 5?
3. A right triangle has one leg measuring 6 and the hypotenuse measuring 10. Calculate the length of the other leg using the Pythagorean theorem.
...and 4 more questions
Educational Video
Trigonometric Functions: Sine, Cosine, Tangent, Cosecant, Secant, and Cotangent
Professor Dave Explains