Trig equations like quadratics Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | B x = 90°, 210°, 330° | Easy | Solved step by step |
| 2 | x = 30°, 150°, 270° | Easy | Solved step by step |
| 3 | D x = 210°, 270°, 330° | Easy | Solved step by step |
| 4 | x = 30°, 90°, 150° | Easy | Solved step by step |
| 5 | C x = 270° | Medium | Solved step by step |
| 6 | x = 90° | Medium | Solved step by step |
| 7 | B x = 120°, 240° | Medium | Solved step by step |
| 8 | x = 30°, 150°, 270° | Harder | Solved step by step |
| 9 | C x = 210°, 270°, 330° | Harder | Solved step by step |
| 10 | x = π/3, π, 5π/3 | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.