The Elements of Plane and Spherical Trigonometry

9 log abscissa ACB Fig acute angle angle equals apply B₁ C₁ C₂ circle co-A co-B co-c column construct coördinates corresponding cos² cosine cot log tan cot tan cot cotangent decimal point double longitude Draw the perpendicular equation Express find log find the area find the value formula 9 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 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 tangent terminal line terms of functions triangle ABC Fig Trigonometric Functions whole number ос