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cos(0.5t+0.464)=1

Solução

cos (0.5 t + 0.464) = 1

t = 4 πn - \frac{116}{125}

Graus

t = - 53.17048 \dots^{\circ} + 72 0^{\circ} n

Passos da solução

cos (0.5 t + 0.464) = 1

Soluções gerais para

cos (0.5 t + 0.464) = 1

cos (x)

tabela de periodicidade com ciclo de

2 πn

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}

0.5 t + 0.464 = 0 + 2 πn

0.5 t + 0.464 = 0 + 2 πn

Resolver

0.5 t + 0.464 = 0 + 2 πn : t = 4 πn - \frac{116}{125}

0.5 t + 0.464 = 0 + 2 πn

0 + 2 πn = 2 πn

0.5 t + 0.464 = 2 πn

Multiplicar ambos os lados por

1000

0.5 t + 0.464 = 2 πn

To eliminate decimal points, multiply by 10 for every digit after the decimal pointThere are

3

digits to the right of the decimal point, therefore multiply by

1000

0.5 t \cdot 1000 + 0.464 \cdot 1000 = 2 πn \cdot 1000

Simplificar

500 t + 464 = 2000 πn

500 t + 464 = 2000 πn

Mova

464

para o lado direito

500 t + 464 = 2000 πn

Subtrair

464

de ambos os lados

500 t + 464 - 464 = 2000 πn - 464

Simplificar

500 t = 2000 πn - 464

500 t = 2000 πn - 464

Dividir ambos os lados por

500

500 t = 2000 πn - 464

Dividir ambos os lados por

500

\frac{500 t}{500} = \frac{2000 πn}{500} - \frac{464}{500}

Simplificar

\frac{500 t}{500} = \frac{2000 πn}{500} - \frac{464}{500}

Simplificar

\frac{500 t}{500} : t

\frac{500 t}{500}

Dividir:

\frac{500}{500} = 1

= t

Simplificar

\frac{2000 πn}{500} - \frac{464}{500} : 4 πn - \frac{116}{125}

\frac{2000 πn}{500} - \frac{464}{500}

Dividir:

\frac{2000}{500} = 4

= 4 πn - \frac{464}{500}

Cancelar

\frac{464}{500} : \frac{116}{125}

\frac{464}{500}

Eliminar o fator comum:

4

= \frac{116}{125}

= 4 πn - \frac{116}{125}

t = 4 πn - \frac{116}{125}

t = 4 πn - \frac{116}{125}

t = 4 πn - \frac{116}{125}

t = 4 πn - \frac{116}{125}

2 - 2 sin (θ) = 3

2 - 2 sin (θ) = 0

cosh (x) = \frac{3}{8}

cos (x) = \frac{11}{61}

- 1 = sec (x)