Practice - Key Theorems in Trigonometry
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Practice Questions
Test your understanding with targeted questions
What is the sine ratio of a triangle with an opposite side of length 3 and a hypotenuse of length 5?
💡 Hint: Use the sine formula: sin θ = opposite/hypotenuse.
If cos θ = 0.8, what is the sine of θ when θ is a complementary angle?
💡 Hint: Use the Pythagorean identity.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the sine of an angle in a right triangle with a hypotenuse of 10 and an opposite side of 6?
💡 Hint: Remember the formula: sin θ = opposite/hypotenuse.
True or False: The angle of elevation is the angle formed when looking down from horizontal.
💡 Hint: Consider the definitions of elevation and depression.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A 10 m tall building casts a shadow of 15 m. Find the angle of elevation of the sun.
💡 Hint: Apply tan θ = opposite/adjacent here.
In a right triangle, if angle A is 30° and angle B is 60°, and the hypotenuse is 12, what are the lengths of the opposite and adjacent sides?
💡 Hint: Use sine and cosine definitions for calculations.
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