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2 answers:
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The diagram shows that the triangles on the graph had similar ratios, as such their vertical heights to their horizontal are equivalent.
Option D is correct.
<h3>What is the slope of a graph?</h3>The slope of a graph determines the steepness of the graph and it is the difference between two points on the y-coordinate(rise) and the difference between two points on the x-coordinate(run).
From the diagram attached, we can see that the triangles on the graph had similar ratios, as such their vertical heights(y-coordinates) to their horizontal (x-coordinates) are equivalent.
Learn more about the slope of a graph here:
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We are given
Firstly, we will simplify left side
and we will check whether it is equal to right side
Left side:
Let's assume y left side expression
now, we can take cos on both sides
we can simplify it
Right side:
Let's assume y left side expression
Multiply both sides by -1
now, we can take cos on both sides
we can simplify it
we can see that
both sides cos(y) value is different
so, this is FALSE.........Answer