The statement Cos(A-B) = CosACosB +SinASinB is true for all values of
A and B.
What is the cosine of an angle?
The cosine of an angle is the ratio of the adjacent side(to that angle) to
the hypotenuse.
The expression for the difference of angles for cosine function is given
by:
Cos(A-B) = CosACosB +SinASinB
The above function is true for all values of A and B.
Hence, the given statement Cos(A-B) = CosACosB +SinASinB is true
for all values of A and B.
To get more about cosine functions visit:
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