Differentiation of trigonometric functions and differentiation rules — Question 106
Original QCE Vault practice · 1 mark
Q106 · Practice questionTechnology-freeSimple familiar1 mark
QUESTION 106
For y=sin2(2x), determine dxdy at x=8π. WORKED SOLUTION
Answer B
1 markWorked solution
y′=4sin(2x)cos(2x). At x=π/8, this is 4(2/2)(2/2)=2. Selects the correct option.
[1 mark]Practice question aligned to the current QCAA syllabus; review the worked solution and marking criteria.
View the QCAA syllabus