TMUA 2019 Paper 1 Q14 — Worked Solution

P1·Trigonometry·6.5Official · 2019 · Q14

simultaneous-trigdouble-angle-valuessum-of-solutions

x

satisfies the simultaneous equations

sin 2 x + 3 cos 2 x = - 1 and 3 sin 2 x - cos 2 x = 3,

where

0^{\circ} \leq x \leq 36 0^{\circ}

. Find the sum of the possible values of

x

Discussion

No discussions yet. Stuck, or want to share an approach? Start the first one.