Are the expressions 5(x+2)-7 and 5x-5 equivalent
1 answer:
You might be interested in
The tangent of the given angles are the ratios <em>y</em> to the <em>x</em> coordinate of
the point of the terminal side on the unit circle.
The correct options are;
The tangent of an angle is given as follows;
First angle
An angle given is;
Therefore;
The above result can be obtained as follows;
Which is obtained when we have;
Therefore
The required coordinates is therefore;
Second angle
The angle, , gives;
The above value can be obtained as follows;
Which gives;
Third angle
The angle 210° gives; tan(210°) = , which can be obtained as follows;
Therefore;
Learn more about the unit circle here:
If Ann cleans in 12 hours then she cleans 
of the apartment per hour. Similarly Liz cleans 
of the appartment per hour. So together then can clean 
of the apartment for hour. Therefor it will take them 
hours to clean.
The general formula
can be used as a check if needed.
The general formula