Trigonometry
Write the following trigonometric expression in terms of sine and cosine. Express your answer in terms of xxx only.
cotx(sinx−secx)\cot x\left(\sin x-\sec x\right)cotx(sinx−secx)
(sinx⋅cosx+1)cosx\frac{\left(\sin x\cdot\cos x+1\right)}{\cos x}cosx(sinx⋅cosx+1)
(sinx⋅cosx−1)sinx\frac{\left(\sin x\cdot\cos x-1\right)}{\sin x}sinx(sinx⋅cosx−1)
(sinx⋅cosx−1)sin2x\frac{\left(\sin x\cdot\cos x-1\right)}{\sin^2x}sin2x(sinx⋅cosx−1)
(sinx⋅cosx−1)cosx\frac{\left(\sin x\cdot\cos x-1\right)}{\cos x}cosx(sinx⋅cosx−1)