If sec a = 5/4 and a is an angle in quadrant iv find the value of cos a
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Hi there!
The answer is
In this formula d represents the diameter.
We know that 2 times the radius equals the diameter, hence
Therefore we can replace the 2r in the original formula by d, and then we get the following:
The answer is
In this formula d represents the diameter.
We know that 2 times the radius equals the diameter, hence
Therefore we can replace the 2r in the original formula by d, and then we get the following: