Please can this be explained?

b) The instantaneous value of the electric field vector in a transmitted signal may be described by: CTA 154 newol noum s d lect a tomas Isbideuna vonsup Find the magnitude of the vertical and horizontal components of this field vector. lubam spoillams an Note that the symbol _ indicates 'angle'. L onthenitegot salvia lum Provide a hand-drawn sketch of the electric field vector and its two components, on a set of Cartesian axes. Horizontal = cos