given that sin alpha = 1 / 2 and Cos beta = root3/ 2 then find the value of alpha + beta is a.30 b.45 c.60 d.90
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Step-by-step explanation:
sin 1/2 = 30° , alpha = 30°
cos root 3/2 = 30°, beta = 30°
alpha + beta
30 + 30 = 60
so the correct answer is c.60
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