Plane Trigonometry

3rd-quadrant abscissa acute angle applications axis base called chapter characteristic Check circle complex number components Computation considered construct coordinates corresponding cosine cota coterminal Cotg decimal defined definitions Derive determined difference digits directed distance equal equation Example EXERCISE expressions feet figures find the values force formulas functional values given gives graph Hence identical inches increases indicated initial inverse length less logarithm means measured MICHIGAN miles minute negative noted observed obtain opposite origin period plane positive Problems projection Prove quadrant Radians radius vector reduction formulas relations remaining represented respectively right triangle roots segment shown significant sine Solution Solve standard position Tang tangent terminal side theorem third trigonometric functions units write written zero