Range of Triogonometric Functions Type-I,II

Range of Triogonometric Functions Type -3 and 4

Triogonometric Equations

Problems based on Range of Triogonometric Functions

Triogonometric Series

Range OF trigonometry function Type-2|| Type-3 ||Type-4 || Graph OF trigonometry function

Range(Question) || Trigonometric type

Range,equal or identical functions

Range OF different type || Questions based on range OF trigonometric function

Graph OF trigonometry Functions & important points regarding them || Range OF function Type-1( Finding range using boundness OF trigonometry function)

Consider the statement given below. I : Range of sine and cosine functions are [-1,1] II: Domain of tangent function is same as that of cotangent function. III: Range of secant and cosecant function are same. IV : Domain of tangent function is same as secant function. Choose which among the following is correct?