# Suppose α is an angle in standard position whose terminal side lies in Quadrant III. If tan α = 2 3 , find the value of sin α?

##### 2 Answers

May 11, 2018

#### Explanation:

Standard position means one side is along the x-axis, with vertex at the origin.

Terminal side in Quadrant III is

https://mathbitsnotebook.com/Algebra2/TrigConcepts/TCStandardPosition.html

May 11, 2018

#### Explanation:

tan a = 23 -->

Since a in in Quadrant 3, sin a is negative