Math, asked by mayank55671, 9 months ago

The principal value of cos–1 (cos 5) is

Answers

Answered by krish7012

4

Step-by-step explanation:

Let you = cos-1 (1/2)

Cos y= cos (2/3)

Range of the principal value of cos is (0,n)

Hence, the principal value is 2n/3

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