Answer:
Step-by-step explanation:
Recall the trigonometric identity .
Therefore, given , rewrite the left side of the equation:
Subtract from both sides:
Factor out from both terms on the left:
We now have two cases:
Since the problem stipulates that is in the interval , we have:
Recall that square brackets mean inclusive and parentheses mean exclusive. Therefore, .
Answer:
Undefined
Step-by-step explanation:
Vertical lines cannot be functions, since they yield multiple y-values for one single x-value.
Answer:
91.2 seconds
Step-by-step explanation:
To solve this problem you first have to figure out how many seconds does it take per meter which is .8 seconds. Then you have to multiply it by 114 so that you can get the answer: 91.2 seconds.