7.5 - Values of Trigonometric Ratios for Standard Angles
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Practice Questions
Test your understanding with targeted questions
What is sin(0°)?
💡 Hint: Think about the ratio of the opposite side to the hypotenuse when the angle is 0°.
What is cos(90°)?
💡 Hint: Consider what happens to the adjacent side when the angle is 90°.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is sin(30°)?
💡 Hint: Think about the values you memorized for standard angles.
True or False: tan(90°) is defined.
💡 Hint: Consider what happens at 90° in relation to the sides of a triangle.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Calculate the values of sin, cos, and tan for angles 0°, 30°, 45°, 60°, and 90° using a right triangle model.
💡 Hint: Make sure to visualize each angle in a triangle setup.
Using the ratios identified, determine the height of a triangle if the hypotenuse is 10 units and the angle is 30°.
💡 Hint: Remember to rearrange the sine formula to solve for height.
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