# Intuitive Trigonometry/Appendix 1: Solutions to Problems

## Appendix 1: Solutions to ProblemsEdit

### Radians and Arc LengthEdit

- is our formula for arc length; we can plug in our given values and solve. which simplifies to (notice the degree signs cancel) and further simplifies to which is our solution.
- , so we can create a proportion
- , so we can create a proportion
- is our formula for arc length; we can plug in our given values and solve. which simplifies to or or , which is our solution.

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