sin(x+10)=cos(3x+20)

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Solution for sin(x+10)=cos(3x+20) equation:


Simplifying
sin(x + 10) = cos(3x + 20)

Reorder the terms:
ins(10 + x) = cos(3x + 20)
(10 * ins + x * ins) = cos(3x + 20)
(10ins + insx) = cos(3x + 20)

Reorder the terms:
10ins + insx = cos(20 + 3x)
10ins + insx = (20 * cos + 3x * cos)
10ins + insx = (20cos + 3cosx)

Solving
10ins + insx = 20cos + 3cosx

Solving for variable 'i'.

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

Reorder the terms:
-20cos + -3cosx + 10ins + insx = 20cos + 3cosx + -20cos + -3cosx

Reorder the terms:
-20cos + -3cosx + 10ins + insx = 20cos + -20cos + 3cosx + -3cosx

Combine like terms: 20cos + -20cos = 0
-20cos + -3cosx + 10ins + insx = 0 + 3cosx + -3cosx
-20cos + -3cosx + 10ins + insx = 3cosx + -3cosx

Combine like terms: 3cosx + -3cosx = 0
-20cos + -3cosx + 10ins + insx = 0

Factor out the Greatest Common Factor (GCF), 's'.
s(-20co + -3cox + 10in + inx) = 0

Subproblem 1

Set the factor 's' equal to zero and attempt to solve: Simplifying s = 0 Solving s = 0 Move all terms containing i to the left, all other terms to the right. Add '-1s' to each side of the equation. s + -1s = 0 + -1s Remove the zero: 0 = -1s Simplifying 0 = -1s 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 '(-20co + -3cox + 10in + inx)' equal to zero and attempt to solve: Simplifying -20co + -3cox + 10in + inx = 0 Solving -20co + -3cox + 10in + inx = 0 Move all terms containing i to the left, all other terms to the right. Add '20co' to each side of the equation. -20co + -3cox + 10in + 20co + inx = 0 + 20co Reorder the terms: -20co + 20co + -3cox + 10in + inx = 0 + 20co Combine like terms: -20co + 20co = 0 0 + -3cox + 10in + inx = 0 + 20co -3cox + 10in + inx = 0 + 20co Remove the zero: -3cox + 10in + inx = 20co Add '3cox' to each side of the equation. -3cox + 10in + 3cox + inx = 20co + 3cox Reorder the terms: -3cox + 3cox + 10in + inx = 20co + 3cox Combine like terms: -3cox + 3cox = 0 0 + 10in + inx = 20co + 3cox 10in + inx = 20co + 3cox 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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