Question: In studying the emission of light, in order to determine the angle at which the intensity is a given value, the equation sin 2 A

In studying the emission of light, in order to determine the angle at which the intensity is a given value, the equation sin² A − 4sin A + 1 = 0 must be solved. Find angle A (to 0.1°). [sin² A = (sin A)².]

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ANSWER To solve the equation sin2 A 4sin A 1 0 we can use the quadratic formula sin A 4 sqrt16 4 2 s... View full answer

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