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Q. Graphs of Sin x and Cos x ?
Ans.
The sine and cosine functions are related to the path that an object might take around a circle.
Suppose a dolphin was swimming over the waves in a circular pattern. His path could help us draw a sine or a cosine graph!
The dolphin's height, or y-coordinate will trace out the sine curve.
If you were to watch the dolphin swim around and around again, here is a portion of the graph he would generate. Please note that the variable "" has been renamed as "x" in the graph.
The vertical distance of the dolphin, or x-coordinate, will trace out the cosine curve.
If you were to watch the dolphin swim around and around again, this is a portion of the graph he would generate. Note, that the variable "" has once again been replaced by the variable "x" in this graph.
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