What is the general solution for cos(x)=(1.5)/(4.272) ?

The general solution for cos(x)=(1.5)/(4.272) is x=1.21202…+2pin,x=2pi-1.21202…+2pin

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cos(x)=(1.5)/(4.272)

cos (x) = \frac{1.5}{4.272}

x = 1.21202 \dots + 2 πn, x = 2 π - 1.21202 \dots + 2 πn

Solution steps

cos (x) = \frac{1.5}{4.272}

Apply trig inverse properties

x = arccos (\frac{1.5}{4.272}) + 2 πn, x = 2 π - arccos (\frac{1.5}{4.272}) + 2 πn

Show solutions in decimal form

x = 1.21202 \dots + 2 πn, x = 2 π - 1.21202 \dots + 2 πn

\frac{π}{12} = arcsin (\frac{x}{2})

6 sin^{2} (x) = 0

\frac{1 - tanh ( x )}{1 + tanh ( x )} = 2

40 = tan (ln (18 + 1) + C)

tan (a) = - 26

What is the general solution for cos(x)=(1.5)/(4.272) ?
The general solution for cos(x)=(1.5)/(4.272) is x=1.21202…+2pin,x=2pi-1.21202…+2pin