Practice - Trigonometry in Right Triangles
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Practice Questions
Test your understanding with targeted questions
What is the sine of angle A if the opposite side is 5 and the hypotenuse is 12?
💡 Hint: Use the formula sin(A) = opposite/hypotenuse.
If the adjacent side is 9 and the hypotenuse is 15, what is cos(B)?
💡 Hint: Use cosine formula.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is sin(30°)?
💡 Hint: Think of common angle values.
Is tan(A) always positive in a right triangle?
💡 Hint: Consider the definition of tangent.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A right triangle has a hypotenuse of 25 and one leg measures 20. Find the length of the other leg, the sine, and cosine of the angles.
💡 Hint: Calculate using the Pythagorean theorem first.
For a right triangle where angle Y is 45°, calculate the lengths of the sides if the hypotenuse is 10.
💡 Hint: Use properties of 45° triangles.
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