Creative Commons Attribution-Share Alike 4.0 truetrue English The half-tangent (tangent of half an angle measure) is the stereographic projection of a point...
... 80 To express the sine, the cosine, and the tangent of half an angle of a triangle in terms of the sides, . . 8r The sine of an angle of a triangle...
h (hypotenuse) Right Angle Trigonometry We have defined the sine, cosine, and tangent functions using the unit circle. Now we can apply them to a right...
