Use the half angle identity, tan157.5=(1-cos315)/sin315
cos315=cos(-45)=√2/2, sin315=-√2/2
tan157.5=(1-√2/2)/(-√2/2)=(2-√2)/(-√2)=(2√2-2)/(-2)=1-√2
= 3tbsp [divided by] 2. = 3 ( divided by) 2 tbsp
————————————. ————————————
2 tbsp ( divided by) 2. 1 tbsp
=. 1.5 tbsp
—————
1 tbsp
Answer:
Step-by-step explanation:
B is the answer
Step-by-step explanation:
![\frac{1}{5} ( \frac{1}{2} ) + ( \frac{1}{10} ) \\ \frac{1}{10} + \frac{1}{10} \\ = \frac{2}{10} \\ = \frac{1}{5}](https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7B5%7D%20%28%20%5Cfrac%7B1%7D%7B2%7D%20%29%20%2B%20%28%20%5Cfrac%7B1%7D%7B10%7D%20%29%20%5C%5C%20%20%5Cfrac%7B1%7D%7B10%7D%20%20%2B%20%20%5Cfrac%7B1%7D%7B10%7D%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B2%7D%7B10%7D%20%20%5C%5C%20%20%3D%20%20%5Cfrac%7B1%7D%7B5%7D%20)
Answer:
1/2 = 2- = 10 2820 172=3103 81=
Step-by-step explanation: