Solve Mixed Transcendental Equation Numerically

A question is this sub-type if and only if it asks to solve an equation involving a combination of different transcendental functions (mixing exponentials, logarithms, trigonometric, and algebraic terms) to a specified accuracy without specifying the method.

1 questions

WJEC Unit 3 Specimen Q1
  1. Find a small positive value of \(x\) which is an approximate solution of the equation.
$$\cos x - 4 \sin x = x ^ { 2 }$$