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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the sine of a 90° angle?
💡 Hint: Think about the opposite side compared to the hypotenuse.
Question 2
Easy
What is cos(0°)?
💡 Hint: Recall the definition of cosine.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the value of sin(30°)?
- 0.5
- 1
- 0.866
💡 Hint: Think of the special triangles.
Question 2
True or False: Cos(90°) = 0.
- True
- False
💡 Hint: Remember the definition of cosine.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A ladder is leaning against a wall forming a 60° angle with the ground. If the foot of the ladder is 4 feet away from the wall, find the height the ladder reaches on the wall.
💡 Hint: Use the tangent ratio.
Question 2
If sin(θ) = 0.75, find the hypotenuse of a triangle where the opposite side is 6.
💡 Hint: Rearrange the sine formula for hypotenuse.
Challenge and get performance evaluation