Is square root 1-cos^2theta=-sintheta true? if so, in which quadrants does angle theta terminate?
1 answer:
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To find our solution, we first write the equation in the following form:
In this formula a represents the slope, therefore:
Because the line passes through the point P(5, -7), we can fill in the coordinates of this point in the formula and we get the following:
Now, add up 1 to both sides and we get
So the formula will be:
Bringing x to the other sides gives us:
Finally we multiply by 5 to get our standard form (and therefore our final answer):
Hence, the answer is D.
In this formula a represents the slope, therefore:
Because the line passes through the point P(5, -7), we can fill in the coordinates of this point in the formula and we get the following:
Now, add up 1 to both sides and we get
So the formula will be:
Bringing x to the other sides gives us:
Finally we multiply by 5 to get our standard form (and therefore our final answer):
Hence, the answer is D.
The tension in the cable is given by the newton's first law will be 163.622 N.
<h3>What is newton's first law?</h3>The summation of the force is equal to zero.
The formula is given as
ΣF = 0
Where m is the mass of the body and a is the acceleration.
A 210-N mass is suspended from a horizontal beam by two cables that make angles of 29 degrees and 53 degrees with the beam.
Then the tension in the cable will be
Let T be the tension in the cable.
T sin 29° + T sin 53° – 210 = 0
On simplifying, we have
T (sin 29° + sin 53°) = 210
T = 163.622 N
More about the newton's first law link is given below.
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