Answer:

Step-by-step explanation:
X=11 I say .......... ...
Answer:
<em>The answer is B.</em>

Answer:
Step-by-step explanation:
Answer:First make sure your calculator is on the right setting which would be a DEG. Then depending on the problem you would press COS, put whats needed inside the parentheses and close it.
Or if a different kind of problem you would press 2nd on the top of the calculator then Cos and continue the same way as the first one.
Step-by-step explanation: