The Elements of Plane and Spherical Trigonometry

9 log abscissa acute angles Adding addition angle angle equals apply base bearing called characteristic Check circle column considered construct coördinates correction corresponding cosine cot tan cot course decimal determine Difference distance double longitude draw equation example EXERCISES Express feet figure find the area find the value formula functions geometry Given giving Hence included increases legs length less than 90 log cos log cos 9 log cot log log tan log logarithm mantissa measured miles multiple nearly negative opposite perpendicular plane polygon positive produced Prove quadrant radians radius relations remaining respectively right triangle Rule sides Similarly sin A sin sin x sine solution Solve square student Substituting subtraction supplement tangent terminal line triangle ACB TRIGONOMETRIC true unit write