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Descripción \(\sin^{2}x=\frac{1-\cos{2x}}{2}\) \(\cos^{2}x=\frac{1+\cos{2x}}{2}\) \(\tan{\frac{x}{2}}=\frac{\sin{x}}{1+\cos{x}}=\frac{1-\cos{x}}{\sin{x}}\) |
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Descripción \(\sin^{2}x=\frac{1-\cos{2x}}{2}\) \(\cos^{2}x=\frac{1+\cos{2x}}{2}\) \(\tan{\frac{x}{2}}=\frac{\sin{x}}{1+\cos{x}}=\frac{1-\cos{x}}{\sin{x}}\) |