Trigonometric signs and general angles: check 1
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 3. Its acute reference triangle has opposite side 20, adjacent side 21 and hypotenuse 29.
Find sin θ.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Trigonometric signs and general angles: review variant 1
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 2. Its acute reference triangle has opposite side 36, adjacent side 27 and hypotenuse 45.
Find sin θ.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Trigonometric signs and general angles: check 2
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 2. Its acute reference triangle has opposite side 36, adjacent side 27 and hypotenuse 45.
Find cos θ.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Trigonometric signs and general angles: review variant 2
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 3. Its acute reference triangle has opposite side 14, adjacent side 48 and hypotenuse 50.
Find cos θ.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Trigonometric signs and general angles: check 3
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 3. Its acute reference triangle has opposite side 14, adjacent side 48 and hypotenuse 50.
Find tan θ.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Trigonometric signs and general angles: review variant 3
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 2. Its acute reference triangle has opposite side 32, adjacent side 60 and hypotenuse 68.
Find tan θ.
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Trigonometric signs and general angles: check 4
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 2. Its acute reference triangle has opposite side 32, adjacent side 60 and hypotenuse 68.
Find sin(−θ).
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.
Trigonometric signs and general angles: review variant 4
Difficulty: ★★☆Maths4U Original · Short practice
θ is in quadrant 3. Its acute reference triangle has opposite side 24, adjacent side 7 and hypotenuse 25.
Find sin(−θ).
Enter one exact number or fraction. These checks support non-calculator practice. Give full reasoning separately for written problems.