Calcule el valor de x2, si:
sec 5x + 40° − csc30° = 0
A) 16 B) 25 C) 9 D) 27 E) 36
sec 5x + 40° − csc30° = 0
A) 16 B) 25 C) 9 D) 27 E) 36
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Explicación paso a paso:
[tex]sec(5x + 40) - csc30 = 0 \\ sec(5x + 40 ) = csc30 \\ 5x +40 + 30 = 90 \\ 5x + 70 = 90 \\ 5x = 20 \\ x = 4[/tex]
PIDEN X²
X²=16