sin^2x+5sinx=2cos^2x

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Solution for sin^2x+5sinx=2cos^2x equation:


Simplifying
sin2x + 5sinx = 2cos2x

Reorder the terms:
5insx + in2sx = 2cos2x

Solving
5insx + in2sx = 2cos2x

Solving for variable 'i'.

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

Reorder the terms:
-2cos2x + 5insx + in2sx = 2cos2x + -2cos2x

Combine like terms: 2cos2x + -2cos2x = 0
-2cos2x + 5insx + in2sx = 0

Factor out the Greatest Common Factor (GCF), 'sx'.
sx(-2cos + 5in + in2) = 0

Subproblem 1

Set the factor 'sx' equal to zero and attempt to solve: Simplifying sx = 0 Solving sx = 0 Move all terms containing i to the left, all other terms to the right. Add '-1sx' to each side of the equation. sx + -1sx = 0 + -1sx Remove the zero: 0 = -1sx Simplifying 0 = -1sx The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined.

Subproblem 2

Set the factor '(-2cos + 5in + in2)' equal to zero and attempt to solve: Simplifying -2cos + 5in + in2 = 0 Solving -2cos + 5in + in2 = 0 Move all terms containing i to the left, all other terms to the right. Add '2cos' to each side of the equation. -2cos + 5in + 2cos + in2 = 0 + 2cos Reorder the terms: -2cos + 2cos + 5in + in2 = 0 + 2cos Combine like terms: -2cos + 2cos = 0 0 + 5in + in2 = 0 + 2cos 5in + in2 = 0 + 2cos Remove the zero: 5in + in2 = 2cos The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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