B) 1. tan(45°) = sin(45°)/cos(45°) = (√2/2)/(√2/2) = 1.

What is tan(45°)?

A 0

B 1

C √2

D 1/√2

✓ Correct Answer: Option B

tan(45°) = sin(45°)/cos(45°) = (√2/2)/(√2/2) = 1.

💡 Why is B) the correct answer?

The correct answer to the question "What is tan(45°)?" is Option B: 1.

The other options — A) 0, C) √2, D) 1/√2 — are incorrect for this ACT Exam Prep question. As explained above: tan(45°) = sin(45°)/cos(45°) = (√2/2)/(√2/2) = 1.

📚 About This ACT Exam Prep Practice Question

This 1-level ACT Exam Prep question from the Mathematics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free ACT Exam Prep practice test or use flashcards for spaced repetition review.

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What is tan(45°)?

✓ Correct Answer: Option B

📚 About This ACT Exam Prep Practice Question

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