if sin alfa =1/2 and cos beta =√3/2 then find value of sin (2alfa+ beta)
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Step-by-step explanation:sin alpha =1/2
hence alpha =30 degrees
cos beta =root 3 by 2
beta=60 degrees.
2alpha +beta = 2*30+60
=120 degrees
tejasviprasanna:
soryyy it was my error
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