50cos(x/100)

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Solution for 50cos(x/100) equation: 


x in (-oo:+oo)

50*cos(x/100) = 0

cos(x/100) = 0

cos(x/100) = 0  <=>  x/100 = pi*k_1+pi/2 i k_1 należy do I

t_1 = pi*k_1+pi/2

x/100-t_1 = 0

1/100*x-t_1 = 0 // + t_1

1/100*x = t_1 // : 1/100

x = t_1/1/100

x = 100*t_1

x = 100*pi*k_1+pi/2 i k_1 należy do I

50*cos(x/100) = 0  <=>  50 = 0 or 50*cos(x/100) = 0  <=>  cos(x/100) = 0

x = 100*pi*k_1+pi/2

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