Solve, for 0<θ<π0 < \theta < \pi0<θ<π
3secθ=8sinθ 3 \sec \theta = 8 \sin \theta 3secθ=8sinθgiving your answers, in radians, to 3 significant figures.
Solve, for 0<x<180∘0 < x < 180^\circ0<x<180∘
tan3x−tan22∘1+tan3xtan22∘=0.8 \frac{\tan 3x - \tan 22^\circ}{1 + \tan 3x \tan 22^\circ} = 0.8 1+tan3xtan22∘tan3x−tan22∘=0.8giving your answers, in degrees, to one decimal place.
