Snyder, Virgil, 1869-1950, Sisam, Charles Herschel, 1879-, Hill, Theodore Preston. Early American mathematics books. CU-BANC · New York, H. Holt and Company · leaf 35
he negative sideif this expression is a negative number. Finally, the point is onthe plane if the expression vanishes. It should be observed thatthe equation must not be multiplied by — 1 after the positive andnegative sides have been chosen. 15. Angle between two planes. The anglebetween two… … is defined by the equationAA + BB> + CC COS0 = In particular, the condition that the planes are perpendicular is4- UB> 4- CC! = 0. (10) ARTS. 15,16] DISTANCE TO A POINT FROM A PLANE 17 The conditions that the planes are parallel are (Art. 3) A B C /11\ A~~&-C The equations (11) are…
Geometry, Analytic
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
