Hi Ahmed,
We have made a mistake.
The formula for cos (x - y) is
cos (x - y) = sin x . sin y + cos x . cos y
We'll update the question soon.
Written on June 5, 2017, 10:04 a.m.
Hi Ahmed,
We have made a mistake.
The formula for cos (x - y) is
cos (x - y) = sin x . sin y + cos x . cos y
We'll update the question soon.
Written on June 5, 2017, 10:04 a.m.