AM-2670

Basic trigonometric identities

A Math · Secondary 4 · Easy · Basic trigonometric identities

1. $\dfrac{\sin x}{1+\cos x}$
2. $\dfrac{\sin x}{1-\cos x}$
3. $\dfrac{1+\cos x}{\sin x}$
4. $\dfrac{1-\cos x}{\sin x}$

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