TMUA 2020 Paper 2 Q2 — Worked Solution

P2·Trigonometry·5.0Official · 2020 · Q2

trig-quadrantsexact-valuesrationalising

Given that

tan θ = 2

and

18 0^{\circ} < θ < 36 0^{\circ}

, find the value of

cos θ

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