Math, asked by misraarchana63, 4 days ago

Cos ( alpha + beta) + sin (alpha - beta) = 2sin( pi/4 + alpha) cos (pi/4 + beta)

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Answered by NavyaRanjan

2

Cos ( alpha + beta) + sin (alpha - beta) = 2sin( pi/4 + alpha) cos (pi/4 + beta)

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