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= cos²(30°) + sin²(60°) - tan²(30°)
= (√3/2)² + (√3/2)² - (1/√3)²
= 3/4 + 3/4 - 1/3 = 7/6
Which of the following scenarios violates Boyce-Codd Normal Form (BCNF) in a relational schema?
Which of the following is the primary reason why polymorphism is useful in Object-Oriented Programming (OOP)?
Which of the following is the primary goal of a Cross-Site Scripting (XSS) attack?
Which of the following attacks can occur when a user is tricked into performing unintended actions on a trusted website without their knowledge?
What is a key challenge in applying Natural Language Processing (NLP) techniques to real-world text data?
Which of the following statements best describes the role of a reinforcement learning agent in a complex environment?
...Which of the following is NOT a characteristic of a minimum spanning tree (MST) in a connected, undirected graph?
Which attack can be mitigated using DNSSEC (Domain Name System Security Extensions)?
Which cryptographic concept ensures that data integrity is preserved and cannot be altered during transmission?