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Solve the trigonometric equation:
Restriction for the solution:
Square both sides of
(i):
Let
So the equation becomes
Solving the quadratic equation:
You can discard the negative value for
t. So the solution for
(ii) is
Substitute back for
t = sin x. Remember the restriction for
x:
where
k is an integer.
I hope this helps. =)
Answer:
28%
Step-by-step explanation:
12+34+7=2856
Then, 2856/100 to get the percentage.
If he sells 34 books and he makes a dollar more for each book he sells, that is 34$ you should add to your total. 45 + 34 = 79
Scott earned 79$ in a week.
It's D, y=0.078x + 29 works with all of the numbers