Q5 of 126 Page 140

Write down the interval for the principal-value branch of each of the following functions and draw its graph:

sec-1 x


Principal value branch of sec-1 x is



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3

Write down the interval for the principal-value branch of each of the following functions and draw its graph:

tan-1 x


 4

Write down the interval for the principal-value branch of each of the following functions and draw its graph:

cot-1 x


 6

Write down the interval for the principal-value branch of each of the following functions and draw its graph:

cosec-1 x


 1

Mark the tick against the correct answer in the following:

The principal value of is