cos(x^3/2)

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Solution for cos(x^3/2) equation: 


x in (-oo:+oo)

cos((x^3)/2) = 0

cos((x^3)/2) = 0  <=>  (x^3)/2 = pi*k_1+pi/2 i k_1 należy do I

t_1 = pi*k_1+pi/2

(x^3)/2-t_1 = 0

1/2*x^3 = t_1 // : 1/2

x^3 = 2*t_1

x^3 = 2*t_1 // ^ 1/3

x = 2^(1/3)*t_1^(1/3)

x = 2^(1/3)*pi*k_1+pi/2^(1/3) i k_1 należy do I

x = 2^(1/3)*pi*k_1+pi/2^(1/3)

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