Table 7

RadiansDegrees\(\sin\, \theta \)\(\cos\, \theta \)\(\tan\, \theta \)\(\csc\, \theta \)\(\sec\, \theta \)\(\cot\, \theta \)
\(0\)\(0{{}^\circ}\)\(0\)\(1\)\(0\)Not defined\(1\)Not defined
\(\dfrac{\pi }{2}\)\(90{{}^\circ}\)\(1\)\(0\)Not defined\(1\)Not defined\(0\)
\(\pi\)\(180{{}^\circ}\)\(0\)\(-1\)\(0\)Not defined\(-1\)Not defined
\(\dfrac{3\pi }{2}\)\(270{{}^\circ}\)\(-1\)\(0\)Not defined\(-1\)Not defined\(0\)
\(2\pi\)\(360{{}^\circ}\)\(0\)\(1\)\(0\)Not defined\(1\)Not defined