Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: [P e n t r u space o r i c e space] [x space element of space R space minus space left curly bracket space k asterisk times straight pi divided by straight k space element of straight Z space right curly bracket ], cosx * cos2x *cos4x = [fraction numerator sin left parenthesis 8 x right parenthesis over denominator 8 asterisk times sin x end fraction]
Right answer summary: True
Question state: todo