AP EAMCET · Maths · Properties of Triangles
If in , then which of the following holds?
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Given that:atanA+btanB=(a+b)·tanA+B2 ⇒a{tanA-tanA+B2}=b{tanA+B2-tanB} ⇒asinAcosA-sinA+B2cosA+B2=bsinA+B2cosA+B2-sinBcosB ⇒asinAcosA+B2-cosAsinA+B2cosAcosA+B2=bcosBsinA+B2-sinBcosA+B2cosBcosA+B2 ⇒asinA-A+B2cosAcosA+B2=bsinA+B2-BcosBcosA+B2…
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