Inverse Trigonometric Functions – Notes

Basic Concept

The principal value branch of sin^-1 is [-

The principal value branch of cos^-1 is [0, ]

The principal value branch of cosec^-1 is [-  – {0}

The principal value branch of tan^-1 is (-  )

The principal value branch of sec^-1 is [0, ] – { }

The principal value branch of cot^-1 is (0,