\frac\sin x\cos x + \frac\cos x\sin x = \frac\sin^2 x + \cos^2 x\sin x \cos x = \frac1\sin x \cos x. - AMAZONAWS

📅 March 11, 2026 👤 scraface

Mar 11, 2026

$\frac{\sin x}{\cos x} + \frac{\cos x}{\sin x} = \frac{\sin^2 x + \cos^2 x}{\sin x \cos x} = \frac{1}{\sin x \cos x}.$