Question

Let x and y be two real roots such that x-y is not a multiple of 2π and a cosx+ b sinx= c. Prove that sin(x+y) =2ab /a^2+b^2.
Plz answer fast and satisfactorily and I'll mark you as brainliest.

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

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