2sin(3.4t)-1=.25

Solution for 2sin(3.4t)-1=.25 equation:

Simplifying
2sin(3.4t) + -1 = 0.25

Remove parenthesis around (3.4t)
2ins * 3.4t + -1 = 0.25

Reorder the terms for easier multiplication:
2 * 3.4ins * t + -1 = 0.25

Multiply 2 * 3.4
6.8ins * t + -1 = 0.25

Multiply ins * t
6.8inst + -1 = 0.25

Reorder the terms:
-1 + 6.8inst = 0.25

Solving
-1 + 6.8inst = 0.25

Solving for variable 'i'.

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

Add '1' to each side of the equation.
-1 + 1 + 6.8inst = 0.25 + 1

Combine like terms: -1 + 1 = 0
0 + 6.8inst = 0.25 + 1
6.8inst = 0.25 + 1

Combine like terms: 0.25 + 1 = 1.25
6.8inst = 1.25

Divide each side by '6.8nst'.
i = 0.1838235294n-1s-1t-1

Simplifying
i = 0.1838235294n-1s-1t-1