Plane and Spherical Trigonometry: Rev. Ed

1st quadrant 2nd quadrant 4th quadrant airplane altitude angle of elevation Angle Value Log Arc csc Arc sec Area of circle celestial equator celestial sphere Circum co-a co-c co-ẞ colog complementary angles complex numbers Computation cos² cot² Cotg csc² dist distance equal Example Exercise expressions find the values graph ground speed Haversines Angle Value Hence inverse trigonometric functions Law of Cosines Law of Sines length log cot logarithms longitude measured n² n³ n³ n 10n Napier's negative observation ordinate perpendicular plane plane sailing positive acute angle Problems Radians radius vector reduction formulas rhumb line right spherical triangle right triangle sailing sec² sin² sine and cosine sine||N Solution spherical triangle standard position Table tan-¹ tan² Tang tangent terminal side theorem tion triangle ABC trigonometric equations zenith απ Зп