यदि 𝒔𝒊𝒏𝑨=𝟒/𝟓 तथा 𝒔𝒊𝒏𝑩 = 𝟓/𝟏𝟑 है, तो cosec (A-B) = ?

  • 1

    65/33

  • 2

    𝟔𝟓/𝟔𝟑

  • 3

    𝟔𝟓/𝟏𝟔

  • 4

    𝟔𝟓/𝟓𝟔

Answer:- 1

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