What is the general solution for 2sin(x)+1=0,0<= x<= 2pi ?

The general solution for 2sin(x)+1=0,0<= x<= 2pi is x=(7pi)/6 ,x=(11pi)/6

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2sin(x)+1=0,0<= x<= 2pi

2 sin (x) + 1 = 0, 0 \leq x \leq 2 π

x = \frac{7 π}{6}, x = \frac{11 π}{6}

Degrees

x = 21 0^{\circ}, x = 33 0^{\circ}

Solution steps

2 sin (x) + 1 = 0, 0 \leq x \leq 2 π

Move

1

to the right side

2 sin (x) + 1 = 0

Subtract

1

from both sides

2 sin (x) + 1 - 1 = 0 - 1

Simplify

2 sin (x) = - 1

2 sin (x) = - 1

Divide both sides by

2

2 sin (x) = - 1

Divide both sides by

2

\frac{2 sin ( x )}{2} = \frac{- 1}{2}

Simplify

sin (x) = - \frac{1}{2}

sin (x) = - \frac{1}{2}

General solutions for

sin (x) = - \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}

x = \frac{7 π}{6} + 2 πn, x = \frac{11 π}{6} + 2 πn

x = \frac{7 π}{6} + 2 πn, x = \frac{11 π}{6} + 2 πn

Solutions for the range

0 \leq x \leq 2 π

x = \frac{7 π}{6}, x = \frac{11 π}{6}

9 csc^{2} (θ) - 25 = 0

16 cos^{2} (θ) - 25 = 0

(2 cos (x) + 3) (2 sin (x) - 1) = 0

(tan (x) + 3) (2 sin (x) - 1) = 0

2 cos (3 θ) + 1 = 0

What is the general solution for 2sin(x)+1=0,0<= x<= 2pi ?
The general solution for 2sin(x)+1=0,0<= x<= 2pi is x=(7pi)/6 ,x=(11pi)/6