Pyetja
Thjeshto secilën prej shprehjeve të mëposhtme.
- $1 + \tan^2\frac{1}{2}\theta$
- $(\sec\theta - 1)(\sec\theta + 1)$
- $\tan^2\theta(\csc^2\theta - 1)$
- $(\sec^2\theta - 1)\cot\theta$
- $(\csc^2\theta - \cot^2\theta)^2$
- $2 - \tan^2\theta + \sec^2\theta$
- $$\frac{\tan\theta\sec\theta}{1+\tan^2\theta}$$
- $(1 - \sin^2\theta)(1 + \tan^2\theta)$
- $$\frac{\csc\theta\cot\theta}{1+\cot^2\theta}$$
- $(\sec^4\theta - 2\sec^2\theta\tan^2\theta + \tan^4\theta)$
- $4\csc^2 2\theta + 4\csc^2 2\theta \cot^2 2\theta$
