1.

If α and β are solutions of sin2x + a sin x + b = 0 as well as that of cos2x + c cos x + d = 0, then sin(α + β ) is equal to

Answer»

If α and β are solutions of sin2x + a sin x + b = 0 as well as that of cos2x + c cos x + d = 0, then sin(α + β ) is equal to




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