QCEVault

Differentiation of trigonometric functions and differentiation rules — Question 77

Original QCE Vault practice · 2 marks

Q77 · Practice questionTechnology-freeSimple familiar2 marks

QUESTION 77 (2 marks)

Differentiate y=cos⁡xsin⁡(2x)y=\cos x\sin(2x).
Question linkSyllabus coverage

Related questions

  1. Q2 · Original practice · 1 mark
    Determine ddx[tan⁡(3x)]\dfrac{d}{dx}[\tan(3x)].
    Differentiation of trigonometric functions and differentiation rules
  2. Q12 · Original practice · 1 mark
    If h(x)=x2sin⁡xh(x)=x^2\sin x, then h′(x)h'(x) is
    Differentiation of trigonometric functions and differentiation rules
  3. Q22 · Original practice · 1 mark
    For f(x)=sin⁡x1+cos⁡xf(x)=\dfrac{\sin x}{1+\cos x}, where defined, f′(x)f'(x) simplifies to
    Differentiation of trigonometric functions and differentiation rules
  4. Q27 · Original practice · 2 marks
    Differentiate y=2sin⁡x+cos⁡(2x)y=2\sin x+\cos(2x).
    Differentiation of trigonometric functions and differentiation rules