यदि tan2θ = 𝟏/𝟑 है, cosec2θ का मान ज्ञात कीजिए -

  • 1

    2

  • 2

    𝟐/√𝟑

  • 3

    -2

  • 4

    −𝟐/√𝟑

Answer:- 2

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