What is the general solution for 2sin(3θ)=sqrt(3) ?

The general solution for 2sin(3θ)=sqrt(3) is θ= pi/9+(2pin)/3 ,θ=(2pi)/9+(2pin)/3

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2sin(3θ)=sqrt(3)

Solution

2 sin (3 θ) = 3

Solution

θ = \frac{π}{9} + \frac{2 πn}{3}, θ = \frac{2 π}{9} + \frac{2 πn}{3}

Degrees

θ = 2 0^{\circ} + 12 0^{\circ} n, θ = 4 0^{\circ} + 12 0^{\circ} n

Solution steps

2 sin (3 θ) = 3

Divide both sides by

2

2 sin (3 θ) = 3

Divide both sides by

2

\frac{2 sin ( 3 θ )}{2} = \frac{3}{2}

Simplify

sin (3 θ) = \frac{3}{2}

sin (3 θ) = \frac{3}{2}

General solutions for

sin (3 θ) = \frac{3}{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 θ = \frac{π}{3} + 2 πn, 3 θ = \frac{2 π}{3} + 2 πn

3 θ = \frac{π}{3} + 2 πn, 3 θ = \frac{2 π}{3} + 2 πn

Solve

3 θ = \frac{π}{3} + 2 πn : θ = \frac{π}{9} + \frac{2 πn}{3}

3 θ = \frac{π}{3} + 2 πn

Divide both sides by

3

3 θ = \frac{π}{3} + 2 πn

Divide both sides by

3

\frac{3 θ}{3} = \frac{\frac{π}{3}}{3} + \frac{2 πn}{3}

Simplify

\frac{3 θ}{3} = \frac{\frac{π}{3}}{3} + \frac{2 πn}{3}

Simplify

\frac{3 θ}{3} : θ

\frac{3 θ}{3}

Divide the numbers:

\frac{3}{3} = 1

= θ

Simplify

\frac{\frac{π}{3}}{3} + \frac{2 πn}{3} : \frac{π}{9} + \frac{2 πn}{3}

\frac{\frac{π}{3}}{3} + \frac{2 πn}{3}

\frac{\frac{π}{3}}{3} = \frac{π}{9}

\frac{\frac{π}{3}}{3}

Apply the fraction rule:

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

= \frac{π}{3 \cdot 3}

Multiply the numbers:

3 \cdot 3 = 9

= \frac{π}{9}

= \frac{π}{9} + \frac{2 πn}{3}

θ = \frac{π}{9} + \frac{2 πn}{3}

θ = \frac{π}{9} + \frac{2 πn}{3}

θ = \frac{π}{9} + \frac{2 πn}{3}

Solve

3 θ = \frac{2 π}{3} + 2 πn : θ = \frac{2 π}{9} + \frac{2 πn}{3}

3 θ = \frac{2 π}{3} + 2 πn

Divide both sides by

3

3 θ = \frac{2 π}{3} + 2 πn

Divide both sides by

3

\frac{3 θ}{3} = \frac{\frac{2 π}{3}}{3} + \frac{2 πn}{3}

Simplify

\frac{3 θ}{3} = \frac{\frac{2 π}{3}}{3} + \frac{2 πn}{3}

Simplify

\frac{3 θ}{3} : θ

\frac{3 θ}{3}

Divide the numbers:

\frac{3}{3} = 1

= θ

Simplify

\frac{\frac{2 π}{3}}{3} + \frac{2 πn}{3} : \frac{2 π}{9} + \frac{2 πn}{3}

\frac{\frac{2 π}{3}}{3} + \frac{2 πn}{3}

\frac{\frac{2 π}{3}}{3} = \frac{2 π}{9}

\frac{\frac{2 π}{3}}{3}

Apply the fraction rule:

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

= \frac{2 π}{3 \cdot 3}

Multiply the numbers:

3 \cdot 3 = 9

= \frac{2 π}{9}

= \frac{2 π}{9} + \frac{2 πn}{3}

θ = \frac{2 π}{9} + \frac{2 πn}{3}

θ = \frac{2 π}{9} + \frac{2 πn}{3}

θ = \frac{2 π}{9} + \frac{2 πn}{3}

θ = \frac{π}{9} + \frac{2 πn}{3}, θ = \frac{2 π}{9} + \frac{2 πn}{3}

Graph

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Frequently Asked Questions (FAQ)

What is the general solution for 2sin(3θ)=sqrt(3) ?
The general solution for 2sin(3θ)=sqrt(3) is θ= pi/9+(2pin)/3 ,θ=(2pi)/9+(2pin)/3