2 cosh x + y sinh x - y + sinh 2 y =

Question

2 cosh x + y sinh x - y + sinh 2 y =, sin h 2 x, sinh 2 x + sinh 2 y 2, sinh 2 x - sinh 2 y 2, cos h 2 x

MARKS App · Accepted Answer

Given: A = 2 cosh x + y sinh x - y + sinh 2 y ⇒ A = 2 e x + y + e - x - y 2 e x - y - e - x + y 2 + e 2 y - e - 2 y 2 ⇒ A = e 2 x - e 2 y + e - 2 y - e - 2 x 2 + e 2 y - e - 2 y 2 ⇒ A = e 2 x - e - 2 x 2 ⇒ A = sin h 2 x

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