Trigonometry
Write the following trigonometric expression in terms of sine and cosine. Express your answer in terms of xx only.
1+tan(−x)cot(−x)\frac{1+\tan\left(-x\right)}{\cot\left(-x\right)}
−(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}