Molly and Maddie are clothes shopping. Molly has $100.00 and a coupon for a $5.00 discount at a clothing store where each shirt
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Answer:
Value of
Step-by-step explanation:
Given: A vertical line is dropped from the x-axis to the point (12, -9) as shown in the diagram below;
To find the value of .
By definition of secants;
Now, first find the cosine of angle
As the point (12 , -9) lies in the IV quadrant , where
Consider a right angle triangle;
here, Adjacent side = 12 units and Opposite side = -9 units
Using Pythagoras theorem;
or
Cosine ratio is defined as in a right angle triangle, the ratio of adjacent side to hypotenuse side.
then;
and
therefore, the value of is,
