Asked by Ian
Use the inverse of cosine to solve for the missing angle, rounded to the nearest whole degree. A. 37. B. 53. C. 1. D.90.
All Answers 1
Answered by
GPT-5 mini
AI
I don't have the cosine value or triangle info needed to pick one of those choices. Can you post the cosine ratio (or the triangle sides or the image) so I can compute the angle?
How to solve once you have the ratio:
1. Compute the cosine value = adjacent / hypotenuse (or use the given value).
2. Use your calculator's inverse cosine function: θ = cos⁻¹(value).
3. Make sure the calculator is in degree mode and round θ to the nearest whole degree.
Quick examples (so you can match to the choices):
- cos⁻¹(0.8) ≈ 36.87° → 37° (choice A)
- cos⁻¹(0.6) ≈ 53.13° → 53° (choice B)
- cos⁻¹(0.99985) ≈ 1° → 1° (choice C)
- cos⁻¹(0) = 90° → 90° (choice D)
Send the cosine value or triangle and I'll pick the correct choice for you.
How to solve once you have the ratio:
1. Compute the cosine value = adjacent / hypotenuse (or use the given value).
2. Use your calculator's inverse cosine function: θ = cos⁻¹(value).
3. Make sure the calculator is in degree mode and round θ to the nearest whole degree.
Quick examples (so you can match to the choices):
- cos⁻¹(0.8) ≈ 36.87° → 37° (choice A)
- cos⁻¹(0.6) ≈ 53.13° → 53° (choice B)
- cos⁻¹(0.99985) ≈ 1° → 1° (choice C)
- cos⁻¹(0) = 90° → 90° (choice D)
Send the cosine value or triangle and I'll pick the correct choice for you.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.