3 Questions
Which of the following trigonometric functions is equal to the ratio of the length of the side adjacent to an angle to the length of the hypotenuse?
Cosine
In a right triangle, if the length of the hypotenuse is 10 units and the length of one of the legs is 6 units, what is the value of the sine of the angle opposite to the leg of length 6 units?
0.4
Which of the following trigonometric identities is true for all values of the angle?
sin^2(angle) + cos^2(angle) = 1
Study Notes
Trigonometric Functions
- The trigonometric function equal to the ratio of the length of the side adjacent to an angle to the length of the hypotenuse is cosine.
Right Triangles
- In a right triangle, if the length of the hypotenuse is 10 units and the length of one of the legs is 6 units, the sine of the angle opposite to the leg of length 6 units can be calculated.
- The sine of the angle is equal to the ratio of the length of the opposite side to the length of the hypotenuse.
Trigonometric Identities
- There is a trigonometric identity that is true for all values of the angle.
Test your knowledge of trigonometry with these 15 important multiple-choice questions. From identifying trigonometric functions to solving for angle values, this quiz covers a range of topics in trigonometry. Challenge yourself and see how well you understand the fundamental concepts of this branch of mathematics.
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