Practice - Trigonometric Identities
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Practice Questions
Test your understanding with targeted questions
State the Pythagorean identity.
💡 Hint: Think about the relationship between sine and cosine.
What is tan45°?
💡 Hint: Consider the triangle formed in a 45°-45°-90° triangle.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the Pythagorean identity?
💡 Hint: Think of a right triangle.
Is the identity 1 + tan²θ = sec²θ always true?
💡 Hint: Think about how secant relates to tangent.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Demonstrate that the identity 1 + cot²θ = csc²θ holds true for θ = 30°.
💡 Hint: Remember the definitions of cotangent and cosecant.
If sin²A + cos²A = 1 and tanA = 2, find the values of sinA and cosA.
💡 Hint: Substitute tan in terms of sine and cosine.
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