Answer:
√3 - 2.
Step-by-step explanation:
Let A = 330 degrees so A/2 = 165 degrees.
tan A/2 = (1 - cos A) / sin A
tan 165 = (1 - cos 330) / sin 330
= (1 - √3/2) / (-1/2)
= -2(1 - √3/2)
= -2 + 2 * √3/2
= √3 - 2.
<u>Answer</u>
13/15
<u>Explainatio</u><u>n</u>
First, Add fractions, 2/3 + 1/5 = 10 + 3 / 15.
Second, add 10 and 3.
Answer: <em>1</em><em>3</em><em>/</em><em>1</em><em>5</em><em>.</em>
Answer:
B.
Step-by-step explanation: