Question

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Si: Sec(4x - 10°)=Csc(40°-x)

Answer 1

Explicación paso a paso:

[tex]4x - 10 + 40 - x = 90 \\ 3x + 30 = 90 \\ 3x = 90 - 30 \\ 3x = 60 \\ x = 20[/tex]

[tex]{tg}^{2} 3x + \csc( \frac{3x}{2} ) \\ {tg}^{2} 3(20) + \csc( \frac{3(20)}{2} ) \\ {tg}^{2} 60 + \csc 30 \\ ( { \sqrt{3} }^{2} ) + 2 \\ 3 + 2 = 5[/tex]