TS EAMCET · Maths · Properties of Triangles
In a triangle \(A B C\), if \(\cos A \cos B+\sin A \sin B \sin C=1\), then \(a: b: c=\)
- A \(1: 1: \sqrt{2}\)
- B \(1: 1: 1\)
- C \(\sqrt{2}: 1: 1\)
- D \(1: \sqrt{2}: 1\)
Answer & Solution
Correct Answer
(A) \(1: 1: \sqrt{2}\)
Step-by-step Solution
Detailed explanation
We have, \(\cos A \cos B+\sin A \sin B \sin C=1\)…
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