• \[\text{A1. } \sin(x) = 3\sin(x) -\frac{1}{2}\] solution

  • \[\text{A2. } \tan(2x+1) = 1\] solution

  • \[\text{A3. } \sec(x) = 2\sec(x) +2 \] solution

  • \[\text{A4. } 2\cos\left(\frac{\pi}{3} - x\right) = 0 \] solution