calcule el valor de ctg5x si: sen(3x-70)csc(20-7x)=1.... Question from @yathyslash

December 2023 1 0 Report

calcule el valor de ctg5x si: sen(3x-70)csc(20-7x)=1

Explicación paso a paso:

[tex]3x - 70 = 20 - 7x \\ 3x + 7x = 20 + 70 \\ 10x = 90 \\ x = 9[/tex]

[tex] \cot5x \\ \cot5(9) \\ \cot45 = 1[/tex]

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