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In triangle ABC, right angled at B, if ...

In `triangle ABC`, right angled at B, if `tanA =1/2`, then the value of `(sinA(cosC + cosA))/(cosC(sinC - sinA))` is:
`triangle ABC` में B एक समकोण है यदि `tanA =1/2` तो `(sinA(cosC + cosA)) /(cosC(sinC - sinA))` का मान क्या होगा ?

A

`2 sqrt5`

B

3

C

2

D

1

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