Question

Question #521d5

Answer 1

`pi/4; (5pi)/4`
`pi/4, (3pi)/4`

Explanation:

Use trig table of special arcs, and unit circle -->
a. tan x = 1 --> arc `x = pi/4`, and `x = pi/4 + pi = (5pi)/4`
b. sin x = 1/sqrt2 --> `x = pi/4`, and `x = pi - pi/4 = (3pi)/4`