Question

Question #c5319

Answer 1

`76^@72; 346^@72`

Explanation:

tan 2y = - 0.5
Calculator and unit circle give -->
`2y = - 26^@56` and `2y = -26.56 + 180 = 153^@44`

a. 2y = - 26.56 --> `y = - 13^@28`,
or `y = 360 - 13.28 = 346^@72` (co- terminal)
b. 2y = 153.44 --> `y = 76^@72`
Answers for (0, 360)
`76^@72; 346^@72`