What is the general solution for cos(x)=(4.4)/(6.5) ?

The general solution for cos(x)=(4.4)/(6.5) is x=0.82722…+2pin,x=2pi-0.82722…+2pin

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cos(x)=(4.4)/(6.5)

cos (x) = \frac{4.4}{6.5}

x = 0.82722 \dots + 2 πn, x = 2 π - 0.82722 \dots + 2 πn

Degrees

x = 47.39633 \dots^{\circ} + 36 0^{\circ} n, x = 312.60366 \dots^{\circ} + 36 0^{\circ} n

Solution steps

cos (x) = \frac{4.4}{6.5}

Apply trig inverse properties

cos (x) = \frac{4.4}{6.5}

General solutions for

cos (x) = \frac{4.4}{6.5}

cos (x) = a \Rightarrow x = arccos (a) + 2 πn, x = 2 π - arccos (a) + 2 πn

x = arccos (\frac{4.4}{6.5}) + 2 πn, x = 2 π - arccos (\frac{4.4}{6.5}) + 2 πn

x = arccos (\frac{4.4}{6.5}) + 2 πn, x = 2 π - arccos (\frac{4.4}{6.5}) + 2 πn

Show solutions in decimal form

x = 0.82722 \dots + 2 πn, x = 2 π - 0.82722 \dots + 2 πn

sin (θ) + 2 = \frac{2}{2}

sec (- 2 x) = - 2

tan (\frac{θ}{2} - \frac{π}{3}) = 1

sinh (x) = \frac{3}{4}

sin (θ) = 2 sin (θ) + 1

What is the general solution for cos(x)=(4.4)/(6.5) ?
The general solution for cos(x)=(4.4)/(6.5) is x=0.82722…+2pin,x=2pi-0.82722…+2pin