Answer:
sine(11π/12): 0.2588190451
Step-by-step explanation:
You just basically put it into your calculator.
Make sure that is switched into radian mod.
0.2588190451
quantity square root of six minus square root of two divided by four
D
30×5/6 = 25
:))
See attached. I have also included the actual graph for your reference.
Answer: it took him 9 hours
true