4sin^2-5=-4

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Solution for 4sin^2-5=-4 equation: 


Simplifying
4sin2 + -5 = -4

Reorder the terms:
-5 + 4in2s = -4

Solving
-5 + 4in2s = -4

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '5' to each side of the equation.
-5 + 5 + 4in2s = -4 + 5

Combine like terms: -5 + 5 = 0
0 + 4in2s = -4 + 5
4in2s = -4 + 5

Combine like terms: -4 + 5 = 1
4in2s = 1

Divide each side by '4n2s'.
i = 0.25n-2s-1

Simplifying
i = 0.25n-2s-1

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