Пожалуйста, помогите решить алгебру 10 класс
[tex] \tan^{2} ( \beta ) - \frac{2 \cos^{2} ( \beta ) - 1}{2 \sin^{2} ( \beta ) - 1 } [/tex]
[tex]2 \tan(x) + ( \tan(x) - 1)^{2} [/tex]
[tex] \frac{ \cot^{2} ( \alpha ) }{ \sin^{2} ( \alpha ) + \cos^{2} ( \alpha ) + \cot^{2} ( \alpha ) } [/tex]
[tex] \cot^{2} ( \alpha ) + \frac{1 - 2 \sin^{2} ( \alpha ) }{2 \cos^{2} ( \alpha ) - 1 } [/tex]
[tex] \tan^{2} ( \beta ) - \frac{2 \cos^{2} ( \beta ) - 1}{2 \sin^{2} ( \beta ) - 1 } [/tex]
[tex]2 \tan(x) + ( \tan(x) - 1)^{2} [/tex]
[tex] \frac{ \cot^{2} ( \alpha ) }{ \sin^{2} ( \alpha ) + \cos^{2} ( \alpha ) + \cot^{2} ( \alpha ) } [/tex]
[tex] \cot^{2} ( \alpha ) + \frac{1 - 2 \sin^{2} ( \alpha ) }{2 \cos^{2} ( \alpha ) - 1 } [/tex]
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