Reduce each of the following expressions to the Sine And Cosine of A single expression:
Let f(x) = √3 sin x – cos x
Dividing and multiplying by √(3 + 1) = 2,
Sine of expression:
We know that sinA cosB – cosA sinB = sin(A –B)
Cosine of the expression:
We know that cosA cosB – sinA sinB = cos(A +B)