For the principal values, evaluate each of the following: The image shows the mathematical expression tan^(-1)(-1) + cos^(-1)(-1/sqrt(2)).

Q2 of 303 Page 4

For the principal values, evaluate each of the following:

Let

Then tan x = –1

= –tan

= tan

Let

Then cos y =

Hence,

Find the principal value of each of the following:

For the principal values, evaluate each of the following:

Evaluate each of the following: