Q1 of 126 Page 140

Mark the tick against the correct answer in the following:

The principal value of is


To Find:The Principle value of


Let the principle value be given by x


Now, let x =


cos x=


cos x=cos() ()


x =

More from this chapter

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5

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

sec-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


 2

Mark the tick against the correct answer in the following:

The principal value of cosec-1(2) is


 3

Mark the tick against the correct answer in the following:

The principal value of is