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Resolver las siguientes ecuaciones con identidades trigonometricasa) cos2x - 1 / 4 = 0b) 3tanx + 2 = tan?

Resolver las siguientes ecuaciones con identidades trigonometricas a) cos2x - 1 / 4 = 0 b) 3tanx + 2 = tan.

Calculadora interactiva

ax² + bx + c = 0

En resumen

<img src="https://tex.z-dn.net/?

Mejor respuesta

Fannycruzs4226
0

<img src="https://tex.z-dn.net/?f=%5Ccos%20%5Cleft%282x%5Cright%29-%5Cfrac%7B1%7D%7B4%7D%3D0%5C%5C%5C%5C%5Ccos%20%5Cleft%282x%5Cright%29%3D%5Cfrac%7B1%7D%7B4%7D%5C%5C%5C%5C2x%3D%5Carccos%20%5Cleft%28%5Cfrac%7B1%7D%7B4%7D%5Cright%29%2B2%5Cpi%20n%2C%5C%3A2x%3D2%5Cpi%20-%5Carccos%20%5Cleft%28%5Cfrac%7B1%7D%7B4%7D%5Cright%29%2B2%5Cpi%20n%5C%5C%5C%5Cx%3D%5Cfrac%7B%5Carccos%20%5Cleft%28%5Cfrac%7B1%7D%7B4%7D%5Cright%29%2B2%5Cpi%20n%7D%7B2%7D%2C%5C%3Ax%3D%5Cfrac%7B2%5Cpi%20-%5Carccos%20%5Cleft%28%5Cfrac%7B1%7D%7B4%7D%5Cright%29%2B2%5Cpi%20n%7D%7B2%7D%5C%5C%5C%5Cx%3D%5Cfrac%7B1.31812%5Cdots%20%2B2%5Cpi%20n%7D%7B2%7D%2C%5C%3Ax%3D%5Cfrac%7B2%5Cpi%20-1.31812%5Cdots%20%2B2%5Cpi%20n%7D%7B2%7D" /> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - <img src="https://tex.z-dn.net/?f=3%5Ctan%20%5Cleft%28x%5Cright%29%2B2%3D%5Ctan%20%5Cleft%28x%5Cright%29%5C%5C%5C%5C3u%2B2%3Du%5C%5C%5C%5C%5Ctan%20%5Cleft%28x%5Cright%29%3D-1%5C%5C%5C%5Cx%3D%5Cfrac%7B3%5Cpi%20%7D%7B4%7D%2B%5Cpi%20n" />

Listo.

01000001 01110010 01110100 00100000 01000011 01101001 01100011 01101100 01101111 01101110.