Respuesta:
Explicación paso a paso:
Tgθ - Ctgθ =2
Calcular:
E = Tg²θ -2Tgθ
Entonces :
Tgθ - (1/Tgθ) =2
multiplicamos por Tgθ
Tgθ² - 1 = 2Tgθ
Tgθ² - 2Tgθ = 1
E = 1
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Respuesta:
Explicación paso a paso:
Tgθ - Ctgθ =2
Calcular:
E = Tg²θ -2Tgθ
Entonces :
Tgθ - Ctgθ =2
Tgθ - (1/Tgθ) =2
multiplicamos por Tgθ
Tgθ² - 1 = 2Tgθ
Tgθ² - 2Tgθ = 1
E = 1