Negative Cosine Function:
Negative Sine Function:
Radian & DrawDot Mode (to avoid vertical asymptotes)
Radian Mode: [2nd] [Mode]
DrawDot Mode: [Graph] [Formt] [DrawDot]
Tangent Function:
Cotangent Function:
Secant Function (Inverse of Cosine):
Cosecant Function (Inverse of Sine):