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Popular >

4cos(x)sin(x)+3cos(x)=0

Solución

4 \cdot cos (x) sin (x) + 3 \cdot cos (x) = 0

Solución

x = \frac{π}{2} + 2 πn, x = \frac{3 π}{2} + 2 πn, x = - 0.84806 \dots + 2 πn, x = π + 0.84806 \dots + 2 πn

+1

Grados

x = 9 0^{\circ} + 36 0^{\circ} n, x = 27 0^{\circ} + 36 0^{\circ} n, x = - 48.59037 \dots^{\circ} + 36 0^{\circ} n, x = 228.59037 \dots^{\circ} + 36 0^{\circ} n

Pasos de solución

4 cos (x) sin (x) + 3 cos (x) = 0

Factorizar

4 cos (x) sin (x) + 3 cos (x) : cos (x) (4 sin (x) + 3)

4 cos (x) sin (x) + 3 cos (x)

Factorizar el termino común

cos (x)

= cos (x) (4 sin (x) + 3)

cos (x) (4 sin (x) + 3) = 0

Resolver cada parte por separado

cos (x) = 0 or 4 sin (x) + 3 = 0

cos (x) = 0 : x = \frac{π}{2} + 2 πn, x = \frac{3 π}{2} + 2 πn

cos (x) = 0

Soluciones generales para

cos (x) = 0

cos (x)

tabla de valores periódicos con

2 πn

intervalos:

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} cos (x) 1 \frac{3}{2} \frac{2}{2} \frac{1}{2} 0 - \frac{1}{2} - \frac{2}{2} - \frac{3}{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} cos (x) - 1 - \frac{3}{2} - \frac{2}{2} - \frac{1}{2} 0 \frac{1}{2} \frac{2}{2} \frac{3}{2}

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

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

4 sin (x) + 3 = 0 : x = arcsin (- \frac{3}{4}) + 2 πn, x = π + arcsin (\frac{3}{4}) + 2 πn

4 sin (x) + 3 = 0

Mover

3

al lado derecho

4 sin (x) + 3 = 0

Restar

3

de ambos lados

4 sin (x) + 3 - 3 = 0 - 3

Simplificar

4 sin (x) = - 3

4 sin (x) = - 3

Dividir ambos lados entre

4

4 sin (x) = - 3

Dividir ambos lados entre

4

\frac{4 sin ( x )}{4} = \frac{- 3}{4}

Simplificar

sin (x) = - \frac{3}{4}

sin (x) = - \frac{3}{4}

Aplicar propiedades trigonométricas inversas

sin (x) = - \frac{3}{4}

Soluciones generales para

sin (x) = - \frac{3}{4}

sin (x) = - a \Rightarrow x = arcsin (- a) + 2 πn, x = π + arcsin (a) + 2 πn

x = arcsin (- \frac{3}{4}) + 2 πn, x = π + arcsin (\frac{3}{4}) + 2 πn

x = arcsin (- \frac{3}{4}) + 2 πn, x = π + arcsin (\frac{3}{4}) + 2 πn

Combinar toda las soluciones

x = \frac{π}{2} + 2 πn, x = \frac{3 π}{2} + 2 πn, x = arcsin (- \frac{3}{4}) + 2 πn, x = π + arcsin (\frac{3}{4}) + 2 πn

Mostrar soluciones en forma decimal

x = \frac{π}{2} + 2 πn, x = \frac{3 π}{2} + 2 πn, x = - 0.84806 \dots + 2 πn, x = π + 0.84806 \dots + 2 πn

Ejemplos populares

(cot(x))(tan(x)-1)=0

(cot (x)) (tan (x) - 1) = 0

10tan(θ)sec(θ)=10cot(θ)csc(θ)

10 tan (θ) sec (θ) = 10 cot (θ) csc (θ)

arctan(x)=((2*1.8))/([(3170+1.7)-1])

arctan (x) = \frac{( 2 \cdot 1.8 )}{[ ( 3170 + 1.7 ) - 1 ]}

cos(4x)+sin(x/2)=0

cos (4 x) + sin (\frac{x}{2}) = 0

2sin^2(θ)-5sin(θ)=3

2 sin^{2} (θ) - 5 sin (θ) = 3