cos(x-(pi/2))

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Solution for cos(x-(pi/2)) equation: 


x in (-oo:+oo)

cos(x-(pi/2)) = 0

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

t_1 = pi*k_1+pi/2

x-t_1-(pi/2) = 0

x-t_1-(pi/2) = 0 // + -t_1-(pi/2)

x = -(-t_1-(pi/2))

x = t_1+pi/2

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

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

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