IB Math HL Trigonometry Test 6 2018 P1 Q2

IB Math HL Trigonometry Test 6 2018 P1 Q2

IB Year 6 | Grade 12

4 marks

Given that \(\sin(x+45^\circ)=3\cos(x-30^\circ)\), find the exact value of \(\cot x\).[4]

Solution:

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Answer:\(\cot x=\frac{\sqrt2-3}{3\sqrt3-\sqrt2}\).

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