sinθ\sin \thetasinθ ও cosθ\cos \thetacosθ এর রেঞ্জ [-1,1]
secθ\sec \thetasecθ ও cosecθ\operatorname{cosec} \thetacosecθ রেঞ্জ R−(−1,1)R-(-1,1)R−(−1,1)
tanθ\tan \thetatanθ ও cotθ\cot \thetacotθ এর ডোমেন R−{(2n+1)π/2),n∈Z}R-\{(2 n+1) \pi / 2), n \in Z\}R−{(2n+1)π/2),n∈Z}
cosecθ\operatorname{cosec} \thetacosecθ এর ডোমেন R−{nπ,n∈Z}R-\{n \pi, n \in Z\}R−{nπ,n∈Z}