# Math Help - Trigonometric Equation

1. ## Trigonometric Equation

Find the value of theta satisfying both the equations:
sin theta = -1/2
tan theta= 1/V3

2. Originally Posted by matsci0000
Find the value of theta satisfying both the equations:
sin theta = -1/2
tan theta= 1/V3
$\theta$ is in quadrant III ... (why?)

now look at the unit circle (with which you should already be familiar) and answer the question.