CAPE Pure Mathematics Unit 1 · May/June 2012 · Paper 1 · Question Q26
\sin(30^\circ - A) is equal to
- (A)
\frac{1}{2}\cos A - \frac{\sqrt{3}}{2}\sin A - (B)
\frac{1}{2}\cos A + \frac{\sqrt{3}}{2}\sin A - (C)
\frac{\sqrt{3}}{2}\cos A + \frac{1}{2}\sin A - (D)
\frac{\sqrt{3}}{2}\cos A - \frac{1}{2}\sin A
The answer is shown once you've answered.
Practise this question