What is the general solution for sinh(y)=-2 ?

The general solution for sinh(y)=-2 is y=ln(-2+sqrt(5))

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sinh(y)=-2

sinh (y) = - 2

y = ln (- 2 + 5)

Solution steps

sinh (y) = - 2

Rewrite using trig identities

\frac{e ^{y} - e ^{- y}}{2} = - 2

\frac{e ^{y} - e ^{- y}}{2} = - 2 : y = ln (- 2 + 5)

y = ln (- 2 + 5)

2 sin (θ) = - 3 + 4 sin (θ)

7^{2} = 6^{2} + 1 1^{2} - 2 \cdot 6 \cdot 11 \cdot cos (D)

- 4 cos^{2} (x) + 3 cos (x) + 1 = 0

cos^{2} (θ) + \frac{5 ^{2} cos ( θ )}{9.81 ( 8 )} - 1 = 0

105 = 100 + 30 sin (\frac{12 π}{5} t)

What is the general solution for sinh(y)=-2 ?
The general solution for sinh(y)=-2 is y=ln(-2+sqrt(5))