*Range of T – fns sinθ & cosθ ε [ -1, +1]

*Range of T – fns

sinθ & cosθ ε [ -1, +1]

tanθ & cotθ ε (– ∞ , +∞)

cosecθ & secθ ε (– ∞, – 1] U [+1, +∞)

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