If sin(θ) = 3/5 in a right triangle, what is cos(θ)?

A 4/5

B 3/4

C 5/3

D 5/4

✓ Correct Answer: Option A

If sin(θ) = opposite/hypotenuse = 3/5, then adjacent = √(5² − 3²) = 4. cos(θ) = 4/5.

💡 Why is A) the correct answer?

The correct answer to the question "If sin(θ) = 3/5 in a right triangle, what is cos(θ)?" is Option A: 4/5.

The other options — B) 3/4, C) 5/3, D) 5/4 — are incorrect for this SAT Exam Prep question. As explained above: If sin(θ) = opposite/hypotenuse = 3/5, then adjacent = √(5² − 3²) = 4. cos(θ) = 4/5.

📚 About This SAT Exam Prep Practice Question

This 2-level SAT Exam Prep question from the Math (No Calculator) 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 SAT Exam Prep practice test or use flashcards for spaced repetition review.

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If sin(θ) = 3/5 in a right triangle, what is cos(θ)?

✓ Correct Answer: Option A

📚 About This SAT Exam Prep Practice Question

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