Learn maths in an easy way
Thursday 2 February 2017
COMPOUND ANGLES
Sin(
A+B
) = Sin
A
Cos
B
+Cos
A
Sin
B
Sin(
A-B
) = Sin
A
Cos
B
-Cos
A
Sin
B
Cos(
A+B
) = Cos
A
Cos
B
-Sin
A
Sin
B
Cos(
A-B
) = Cos
A
Cos
B
+SinASin
B
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