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Phase in SHM
### Formula
$$\theta=\omega t+\phi$$
### Terminologies
- θ → Phase.
- ω → Angular frequency.
- t → Time.
- φ → Initial phase.
### Conditions / Special Cases
Same phase:
$$\Delta\phi=0$$
Opposite phase:
$$\Delta\phi=\pi$$
### Usage
- Used in phase difference problems.
