roudhas32 roudhas32

22-05-2021
Mathematics

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Let alpha and beta be the radiant measures of two angles. Then sin left parenthesis 2 alpha plus 2 beta right parenthesis is equal to

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abidemiokin abidemiokin

27-05-2021

Answer:

sin2αcos2β + cos2αsin2β

Step-by-step explanation:

Given that

sin(A+B) = sinA cos B + cos A sinB

According to the question;

sin(2α+2β) = sin2αcos2β + cos2αsin2β

where A = 2α and B = 2β

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