TS EAMCET · Maths · Properties of Triangles
If \(A+B+C=2 S\), then \(\sin (S-A) \cos (S-B)-\sin (S-C) \cos S=\)
- A \(\cos A \sin B \sin C\)
- B \(\sin A \cos B \cos C\)
- C \(\cos A \sin B\)
- D \(\sin A \cos B\)
Answer & Solution
Correct Answer
(C) \(\cos A \sin B\)
Step-by-step Solution
Detailed explanation
Since, \(A+B+C=2 S\) \(\quad ....\mathrm{(i)}\)…
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