QCEVault

Trigonometry — Question 218

Original QCE Vault practice · 5 marks

Q218 · Practice questionTechnology-freeComplex familiar5 marks

QUESTION 218 (5 marks)

For 0≤x≤2π0\le x\le 2\pi, solve 2sin⁡2x−3sin⁡x+1=02\sin ^{2} x-3\sin x+1=0.
a)
Factor the equation in sin⁡x\sin x.
[2 marks]
b)
Find all solutions in the interval.
[3 marks]
Question linkSyllabus coverage

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