A small right triangle has opposite side 2 and hypotenuse 3. A larger similar triangle has the same angle. What is the sine ratio for that angle?
Correct answer(s):
- 2/3
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If angle A = 45° and angle B = 45° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 45°, what is the other?
Correct answer(s):
- 45°
If angle A = 40° and angle B = 50° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 40°, what is the other?
Correct answer(s):
- 50°
If angle A = 35° and angle B = 55° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 35°, what is the other?
Correct answer(s):
- 55°
If angle A = 30° and angle B = 60° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 30°, what is the other?
Correct answer(s):
- 60°
If angle A = 25° and angle B = 65° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 25°, what is the other?
Correct answer(s):
- 65°
If angle A = 20° and angle B = 70° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 20°, what is the other?
Correct answer(s):
- 70°
If angle A = 15° and angle B = 75° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 15°, what is the other?
Correct answer(s):
- 75°
If angle A = 10° and angle B = 80° in a right triangle, what is true about sin A and cos B?
Correct answer(s):
- They are equal
Two acute angles in a right triangle add to 90°. If one acute angle is 10°, what is the other?
Correct answer(s):
- 80°
What is the standard value of tan 90°?
Correct answer(s):
- undefined
What is the standard value of sin 90°?
Correct answer(s):
- 1
What is the standard value of tan 60°?
Correct answer(s):
- √3