Question 691934: `Find a value of theta in [0, 90](degrees) that satisfies the statement. Leave the answer in decimal degrees rounded to seven decimal places, if necessary.
cosine theta= 0.1879656.
I know the answer is 79.1659173, but I don't the steps to solve it. Can some help me please? Thank you
Answer by lwsshak3(11628)   (Show Source):
You can put this solution on YOUR website! Find a value of theta in [0, 90](degrees) that satisfies the statement. Leave the answer in decimal degrees rounded to seven decimal places, if necessary.
cosine theta= 0.1879656.
I know the answer is 79.1659173, but I don't the steps to solve it. Can some help me please? Thank you
**
This is how to get the answer with a calculator:
set your calculator to 7 decimal places.
Use the inverse cos key and enter 0.1879656.
You will then see displayed the answer:79.1659173º
|
|
|
