Practice - Important Note
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Practice Questions
Test your understanding with targeted questions
What are the three primary trigonometric ratios?
💡 Hint: Think of the relationships in a right triangle.
For which angles are trigonometric ratios valid?
💡 Hint: Consider the triangle's angles.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the range of angles for which trigonometric ratios are defined?
💡 Hint: Think about the properties of right triangles.
True or False: Sine, cosine, and tangent can be used for angles greater than 90°.
💡 Hint: Reflect on our discussion about angle limitations.
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Challenge Problems
Push your limits with advanced challenges
A right triangle has an angle of 85°, and the hypotenuse is 12 cm. Calculate the length of the side opposite this angle and explain your reasoning.
💡 Hint: Remember the sine definition!
Explain what would happen if you tried to find sine for an angle of 95° in terms of the triangle properties.
💡 Hint: Consider triangle definitions and valid angles.
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Reference links
Supplementary resources to enhance your learning experience.