calcule el valor de x si : cos(x/2).sec40 = 1.... Question from @hectorsleevaldez

October 2023 1 4 Report

calcule el valor de x si :
cos(x/2).sec40 = 1

Respuesta: x = 80°

Explicación paso a paso:

cos(x/2).sec40 = 1 , sabemos que 1 / sec40° = cos 40°.

Entonces:

cos(x/2) = 1 / sec40°

cos(x/2) = cos 40°

Por tanto:

x/2 = 40°

x = 2 . 40°

x = 80°

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