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[tex] sin \: 30 \degree = \frac{1}{2} \\ cos \: 60 \degree = \frac{1}{2} [/tex]
[tex] \frac{1}{2} - \frac{1}{2} = \frac{0}{2} = 0[/tex]✓
[tex] sin \: 30 \degree = \frac{1}{2} \\ cos \: 60 \degree = \frac{1}{2} [/tex]
[tex] \frac{1}{2} - \frac{1}{2} = \frac{0}{2} = 0[/tex]✓