The Elements of Plane and Spherical Trigonometry

9 log abscissa ACB Fig acute angles angle equals apply B₁ C₁ C₂ circle co-A co-B co-c column construct coördinates corresponding cos² cosine cot log tan cotangent decimal point double longitude Draw the perpendicular equation Express find log find the area find the value geometry Given log Given two sides greater than 90 Hence hypotenuse increases law of sines less mantissa less than 90 log cos 9 log cot log log N log log sin 24 log sin 62 log tan log loga logarithm long.-diff mantissa miles MISCELLANEOUS EXERCISES negative and decreases ordinate plane polar triangle positive quadrant radians radius right spherical triangle right triangle Similarly sin b sin sin log tan sin² solution spherical triangle Substituting subtraction formulas tan² tangent terminal line terms of functions triangle ABC TRIGONOMETRIC FUNCTIONS whole number ос