e. Using
tan(x) = sin(x) / cos(x)

Home > A-Level Maths > Teaching Order Year 1 > 44: Trigonometry > e. Using tan(x) = sin(x) / cos(x)

E7-18 [Trig Equations: Solve 4sin(x) + 5cos(x) = 0 between 0 and 360 degrees]

E7-19 Trig Equations: Solve 4sin(x) + 5cos(x) = 0 between 0 and 2π