What is the general solution for sin(3x+1)= 1/2 ?

The general solution for sin(3x+1)= 1/2 is x=-1/3+pi/(18)+(2pin)/3 ,x=-1/3+(5pi}{18}+\frac{2pin)/3

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sin(3x+1)= 1/2

Solution

sin (3 x + 1) = \frac{1}{2}

Solution

x = - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}, x = - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

Degrees

x = - 9.09859 \dots^{\circ} + 12 0^{\circ} n, x = 30.90140 \dots^{\circ} + 12 0^{\circ} n

Solution steps

sin (3 x + 1) = \frac{1}{2}

General solutions for

sin (3 x + 1) = \frac{1}{2}

sin (x)

periodicity table with

2 πn

cycle:

x 0 \frac{π}{6} \frac{π}{4} \frac{π}{3} \frac{π}{2} \frac{2 π}{3} \frac{3 π}{4} \frac{5 π}{6} sin (x) 0 \frac{1}{2} \frac{2}{2} \frac{3}{2} 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} x π \frac{7 π}{6} \frac{5 π}{4} \frac{4 π}{3} \frac{3 π}{2} \frac{5 π}{3} \frac{7 π}{4} \frac{11 π}{6} sin (x) 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{2} - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2}

3 x + 1 = \frac{π}{6} + 2 πn, 3 x + 1 = \frac{5 π}{6} + 2 πn

3 x + 1 = \frac{π}{6} + 2 πn, 3 x + 1 = \frac{5 π}{6} + 2 πn

Solve

3 x + 1 = \frac{π}{6} + 2 πn : x = - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}

3 x + 1 = \frac{π}{6} + 2 πn

Move

1

to the right side

3 x + 1 = \frac{π}{6} + 2 πn

Subtract

1

from both sides

3 x + 1 - 1 = \frac{π}{6} + 2 πn - 1

Simplify

3 x = \frac{π}{6} + 2 πn - 1

3 x = \frac{π}{6} + 2 πn - 1

Divide both sides by

3

3 x = \frac{π}{6} + 2 πn - 1

Divide both sides by

3

\frac{3 x}{3} = \frac{\frac{π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3}

Simplify

\frac{3 x}{3} = \frac{\frac{π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3}

Simplify

\frac{3 x}{3} : x

\frac{3 x}{3}

Divide the numbers:

\frac{3}{3} = 1

= x

Simplify

\frac{\frac{π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3} : - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}

\frac{\frac{π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3}

Group like terms

= - \frac{1}{3} + \frac{2 πn}{3} + \frac{\frac{π}{6}}{3}

\frac{\frac{π}{6}}{3} = \frac{π}{18}

\frac{\frac{π}{6}}{3}

Apply the fraction rule:

\frac{\frac{b}{c}}{a} = \frac{b}{c \cdot a}

= \frac{π}{6 \cdot 3}

Multiply the numbers:

6 \cdot 3 = 18

= \frac{π}{18}

= - \frac{1}{3} + \frac{2 πn}{3} + \frac{π}{18}

Group like terms

= - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}

x = - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}

x = - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}

x = - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}

Solve

3 x + 1 = \frac{5 π}{6} + 2 πn : x = - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

3 x + 1 = \frac{5 π}{6} + 2 πn

Move

1

to the right side

3 x + 1 = \frac{5 π}{6} + 2 πn

Subtract

1

from both sides

3 x + 1 - 1 = \frac{5 π}{6} + 2 πn - 1

Simplify

3 x = \frac{5 π}{6} + 2 πn - 1

3 x = \frac{5 π}{6} + 2 πn - 1

Divide both sides by

3

3 x = \frac{5 π}{6} + 2 πn - 1

Divide both sides by

3

\frac{3 x}{3} = \frac{\frac{5 π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3}

Simplify

\frac{3 x}{3} = \frac{\frac{5 π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3}

Simplify

\frac{3 x}{3} : x

\frac{3 x}{3}

Divide the numbers:

\frac{3}{3} = 1

= x

Simplify

\frac{\frac{5 π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3} : - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

\frac{\frac{5 π}{6}}{3} + \frac{2 πn}{3} - \frac{1}{3}

Group like terms

= - \frac{1}{3} + \frac{2 πn}{3} + \frac{\frac{5 π}{6}}{3}

\frac{\frac{5 π}{6}}{3} = \frac{5 π}{18}

\frac{\frac{5 π}{6}}{3}

Apply the fraction rule:

\frac{\frac{b}{c}}{a} = \frac{b}{c \cdot a}

= \frac{5 π}{6 \cdot 3}

Multiply the numbers:

6 \cdot 3 = 18

= \frac{5 π}{18}

= - \frac{1}{3} + \frac{2 πn}{3} + \frac{5 π}{18}

Group like terms

= - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

x = - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

x = - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

x = - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

x = - \frac{1}{3} + \frac{π}{18} + \frac{2 πn}{3}, x = - \frac{1}{3} + \frac{5 π}{18} + \frac{2 πn}{3}

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Frequently Asked Questions (FAQ)

What is the general solution for sin(3x+1)= 1/2 ?
The general solution for sin(3x+1)= 1/2 is x=-1/3+pi/(18)+(2pin)/3 ,x=-1/3+(5pi}{18}+\frac{2pin)/3