Sum & Difference Quizzes, Questions & Answers

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Trigonometry is one of the most studied branches of mathematics. Are you ready for a trigonometry quiz? We have one here for you. As we all know, trigonometry is known as a math branch that focuses on the study of relationships...

Questions: 10  |  Attempts: 261   |  Last updated: Aug 16, 2025
  • Sample Question
    Cos 105° =
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Explore the intriguing world of trigonometry in angles and their relationships. This quiz assesses your understanding of sum and difference identities, focusing on acute angles and their cosine and sine values, enhancing your...

Questions: 5  |  Attempts: 457   |  Last updated: Mar 20, 2025
  • Sample Question
    Diketahui sudut A dan sudut B adalah sudut lancip. Jika cos A = 4/5 dan cos B = 24/25. Tentukanlah nilai cos(a+B) ?
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Are you ready to calculate exact values without the calculator? In this quiz, you’ll use sum and difference identities for sine, cosine, and tangent to evaluate tricky angles like 15°, 75°, and 105°....

Questions: 20  |  Attempts: 10   |  Last updated: Oct 14, 2025
  • Sample Question
    Evaluate cos(π/12) exactly.
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