good afternoon friends....... please give me the graph of cos(x) with neat explanation..... please don't copy from Google...
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good afternoon friends....... please give me the graph of cos(x) with neat explanation..... please don't copy from Google...
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Answer:
good afternoon frnd
Step-by-step explanation:
a right-triangle, cos is defined as the ratio of the length of the adjacent side to that of the longest side i.e. the hypotenuse. Suppose a triangle ABC is taken with AB as the hypotenuse and α as the angle between hypotenuse and base.
Cosine Function
Now, for this triangle,
cos α = Adjacent Side/Hypotenuse
Cosine Formula
From the definition of cos, it is now known that it is the adjacent side divided by the hypotenuse. Now, from the above diagram,
cos α = AC/AB
Or,
cos α = b/h
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Answer:
wlc friend have a great day ahead...........