If 3sinx +4cosx =5 then find sin2x

Kindly refer the similar link for your query.
 https://www.meritnation.com/ask-answer/question/3sinx-4cosx-5-show-tan-x-3-4/trigonometric-functions/7842845

Using Pythagoras theorem find the value of cosx and sinx.And we know that sin2x=2sinx cosx
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