Express $\left(\tan ^{2} x+\csc ^{2} x\right)-\left(\sec ^{2} x+\cot ^{2} x\right)$ In Terms Of

Short Answer

Express $\left(\tan ^{2} x+\csc ^{2} x\right)-\left(\sec ^{2} x+\cot ^{2} x\right)$ in terms of $\sin x$ and $\cos x$ , and simplify.