-4cos(x-pi/6)

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Solution for -4cos(x-pi/6) equation: 


x in (-oo:+oo)

-4*cos(x-(pi/6)) = 0

cos(x-(pi/6)) = 0

cos(x-(pi/6)) = 0  <=>  x-(pi/6) = pi*k_1+pi/2 i k_1 należy do I

t_1 = pi*k_1+pi/2

x-t_1-(pi/6) = 0

x-t_1-(pi/6) = 0 // + -t_1-(pi/6)

x = -(-t_1-(pi/6))

x = t_1+pi/6

x = pi*k_1+pi/2+pi/6 i k_1 należy do I

-4*cos(x-(pi/6)) = 0  <=>  -4 = 0 or -4*cos(x-(pi/6)) = 0  <=>  cos(x-(pi/6)) = 0

x = pi*k_1+pi/2+pi/6

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