Plane Trigonometry with Tables

9 Prop acute angle algebraic angle of depression angle of elevation cd L Cot central angle circle complex numbers Cos-¹ cos¹ cos² cos³ cot 3B Cot cd csc² decimal point distance equation EXAMPLE EXERCISE Express False Figure find the value formula given graph Hence holds true horizontal ILLUSTRATION integer interpolation L Sin d law of cosines law of sines law of tangents log cot loga mantissa miles mils multiplying numerically equal odd function permissible values plane Proof Pythagorean theorem quadrants radian measure radians radius real number related angle related-angle theorem result revolutions per minute right triangle roots sec² sin¹ sin² sin³ sine curve sines and cosines Solution speed square standard position subtends an arc TABLE tan² tangent terminal side three-figure accuracy triangle of reference trigonometric functions vector x-axis