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Mathematics
15 June, 14:11
4cos (10x) + 2=2
What would this equal in Degrees?
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Jaylon Reeves
15 June, 14:18
0
Simplifying
4cos (10x) + 2 = 2
Remove parenthesis around (10x)
4cos * 10x + 2 = 2
Reorder the terms for easier multiplication:
4 * 10cos * x + 2 = 2
Multiply 4 * 10
40cos * x + 2 = 2
Multiply cos * x
40cosx + 2 = 2
Reorder the terms:
2 + 40cosx = 2
Add '-2' to each side of the equation.
2 + - 2 + 40cosx = 2 + - 2
Combine like terms: 2 + - 2 = 0
0 + 40cosx = 2 + - 2
40cosx = 2 + - 2
Combine like terms: 2 + - 2 = 0
40cosx = 0
Solving
40cosx = 0
Solving for variable 'c'.
Move all terms containing c to the left, all other terms to the right.
Divide each side by '40'.
cosx = 0.0
Simplifying
cosx = 0.0
The solution to this equation could not be determined.
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