For an acute angle in a right triangle, opposite = 5, adjacent = 12, and hypotenuse = 13. What is cos of the angle?
Correct answer(s):
- 12/13
Subject
Trigonometry
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Quizzes in Trigonometry
For an acute angle in a right triangle, opposite = 5, adjacent = 12, and hypotenuse = 13. What is sin of the angle?
Correct answer(s):
- 5/13
For an acute angle in a right triangle, opposite = 4, adjacent = 3, and hypotenuse = 5. What is tan of the angle?
Correct answer(s):
- 4/3
For an acute angle in a right triangle, opposite = 4, adjacent = 3, and hypotenuse = 5. What is cos of the angle?
Correct answer(s):
- 3/5
For an acute angle in a right triangle, opposite = 4, adjacent = 3, and hypotenuse = 5. What is sin of the angle?
Correct answer(s):
- 4/5
For an acute angle in a right triangle, opposite = 3, adjacent = 4, and hypotenuse = 5. What is tan of the angle?
Correct answer(s):
- 3/4
For an acute angle in a right triangle, opposite = 3, adjacent = 4, and hypotenuse = 5. What is cos of the angle?
Correct answer(s):
- 4/5
For an acute angle in a right triangle, opposite = 3, adjacent = 4, and hypotenuse = 5. What is sin of the angle?
Correct answer(s):
- 3/5
For an acute angle in a right triangle, opposite = 2, adjacent = 2, and hypotenuse = 3. What is tan of the angle?
Correct answer(s):
- 2/2
For an acute angle in a right triangle, opposite = 2, adjacent = 2, and hypotenuse = 3. What is cos of the angle?
Correct answer(s):
- 2/3
For an acute angle in a right triangle, opposite = 2, adjacent = 2, and hypotenuse = 3. What is sin of the angle?
Correct answer(s):
- 2/3
For an acute angle in a right triangle, opposite = 1, adjacent = 1, and hypotenuse = 2. What is tan of the angle?
Correct answer(s):
- 1/1
For an acute angle in a right triangle, opposite = 1, adjacent = 1, and hypotenuse = 2. What is sin of the angle?
Correct answer(s):
- 1/2
Which ratios are less than or equal to 1 for acute angles?
Correct answer(s):
- sine
- cosine
Which statements are true for similar right triangles?
Correct answer(s):
- Matching angles are equal
- Matching side ratios are equal
- Trigonometric ratios for matching angles match
Which are standard special angles often used in beginning trigonometry?
Correct answer(s):
- 30°
- 45°
- 60°
Which side names depend on the chosen acute angle?
Correct answer(s):
- opposite
- adjacent
Which angle measures can be acute angles in a right triangle?
Correct answer(s):
- 30°
- 45°
- 60°
Which angle measures are acute?
Correct answer(s):
- 25°
- 89°
Which ratios use the hypotenuse?
Correct answer(s):
- sine
- cosine