For the principal values, evaluate each of the following: The mathematical expression cos inverse of 1/2 plus 2 times sin inverse of 1/2.

Q5 of 303 Page 4

For the principal values, evaluate each of the following:

Let

Then, cos x = = cos

Let .

Then, sin y = = sin

Hence,

Principal value of is.

Find the principal value of each of the following:

For the principal values, evaluate each of the following: