[cos(x)]'= - correct answer -sin(x)
Een primitieve van f(x)=sin(x) is F(x)= - correct answer -cos(x)
tan(x)= - correct answer sin(x)/cos(x)
sin(2x)= - correct answer 2sin(x) ∙cos(x)
cos(-x)= - correct answer cos(x)
sin(x)= - correct answer cos(x-1/2 ∙π)
(cos(x))^2 + (sin(x))^2 = - correct answer 1
(cos(x))^2 - (sin(x))^2 = - correct answer cos(2x)
cos(180°)= - correct answer -1
cos(1/2∙π)= - correct answer 0
sin(1/6∙π)= - correct answer 1/2
[tan(x)]'= - correct answer 1/(cos(x))^2
De periode van y=3-2sin(4x) is - correct answer 1/2 ∙π