sin(80°) ≈ 0.9848 (rounded to 4 decimal places), which is close to 1 since 80° is near 90°.
The sine of 80 degrees is:
- Exact value: sin(80°) = 0.98480775...
- Rounded: ≈ 0.9848 or 0.985
Why it's close to 1:
- As angles approach 90°, sine values approach 1
- sin(90°) = 1 (maximum sine value)
- 80° is only 10° away from the maximum
Importants Points:
- Value: sin(80°) ≈ 0.9848
- Context: Very close to sin(90°) = 1
- Calculator: Use degree mode for accurate results