IB Math HL Trigonometry Test 7 2018 P1 Q2

IB Math HL Trigonometry Test 7 2018 P1 Q2

IB Year 6 | Grade 12

5 marks

Solve \(1+\cos x=2\sin^2x\) for \(0\le x\le2\pi\).[5]

Solution:

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Answer:\(x=\frac{\pi}{3},\pi,\frac{5\pi}{3}\).

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