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11th Grade Principal Values Quizzes, Questions & Answers

Top Trending Principal Values Quizzes


How do principal values guide the process of solving trig equations? In this quiz, you’ll apply restricted inverse definitions to interpret solutions correctly and avoid extraneous or misinterpreted angles. You’ll...

Questions: 20  |  Attempts: 10   |  Last updated: Dec 17, 2025
  • Sample Question 1
    Arctan is an odd, increasing function, so sign(arctan x) = sign(x).
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  • Sample Question 2
    Find the principal value: cos θ = −√3/2.
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Why do trigonometric inverses rely on principal values? In this quiz, you’ll explore the idea of restricting domains so that each inverse function yields a single, meaningful output. You’ll analyze how principal...

Questions: 20  |  Attempts: 10   |  Last updated: Dec 17, 2025
  • Sample Question 1
    Which restriction makes sin x one-to-one and symmetric about the origin?
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  • Sample Question 2
    The principal range of y = arctan(x) is (−π/2, π/2).
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