Q2 of 126 Page 140

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

cos-1 x



Principal value branch of cos-1 x is [0, π]



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9 C

Solve for x :


 1

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

sin-1 x


 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