Trigonometry
−(sinx⋅cosx+sin2x)cos2x-\frac{\left(\sin x\cdot\cos x+\sin^2x\right)}{\cos^2x}
−(sinx⋅cosx−sin2x)cos2x-\frac{\left(\sin x\cdot\cos x-\sin^2x\right)}{\cos^2x}
−(sinx⋅cosx−sinx)cos2x-\frac{\left(\sin x\cdot\cos x-\sin x\right)}{\cos^2x}
−(sinxcosx−sin2x)cosx-\frac{\left(\sin x\cos x-\sin^2x\right)}{\cos x}