If 2452=60q+52r and q and r are positive integers what is one possible value for q+r
1 answer:
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Answer:
tan(2x)=-24/7
Step-by-step explanation:
Since tan(x)=sin(x)/cos(x)
We are going to need sin(x) any time, so lets find it right away.
To do this, remember that. sin(x)^2 + cos(x)^2=1
so.
This leads to.
We have obtained two solutions, -3/5 and 3/5.
We need to pick one, since not all of them are correct for our scenario, in this case, we've been told that x belongs to the range [180, 270], in this range, sin(x)<0.
So in our previous solution, we have that sin(x)= -3/5
Now, to find tang(2x), we need to apply the definition
Tang(2x)=sin(2x)/cos(2x).
Lets remember that
sin(2x)=2*sin(x)*cos(x)
cos(2x)=cos(x)^2 - sin(x)^2.
Lets evaluate our given result.
sin(2x)=2*(-3/5)*(4/5)=-24/25
cos(2x)=(-4/5)^2 - (3/5)^2=7/25
Hence
tan(2x)= -(24/25) / (7/25)=-24/7
Answer:
Length of NM is 36 cm
Step-by-step explanation:
Length of MN + Length of NO = Length of MNO (Or only MO)
cm
Thus, length of MN is equal to length of NO i.e 36 cm
The line MNO has point N, that bisect it into two equal half.
Thus, the line MNO has two parts
Total length of line MNO = MN + NO = cm