8.3 - Trigonometric Ratios of Some Specific Angles
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Practice Questions
Test your understanding with targeted questions
What is sin 30°?
💡 Hint: Think about the opposite side in a right triangle with respect to the hypotenuse.
What is cos 60°?
💡 Hint: Locate the adjacent side in a right triangle related to angle 60°.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the value of sin 60°?
💡 Hint: Visualize a 30-60-90 triangle.
Is cos 0° equal to 1?
💡 Hint: Consider what it means geometrically for the triangle.
1 more question available
Challenge Problems
Push your limits with advanced challenges
If sin(A) = √3/2, find angle A in degrees.
💡 Hint: Explore angles in the first and second quadrant.
Using sine and cosine angles, prove that sin(90° - A) = cos(A).
💡 Hint: Employ the definitions of sine and cosine.
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