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Q:

यदि sin2θ - 3sinθ + 2=0, है तो θ(00≤ θ≤900) का मान ज्ञात कीजिए

  • 1

    450

  • 2

    00

  • 3

    600

  • 4

    900

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Answer : 4. "

900

"

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