What is the general solution for cos(x)=-0.6293 ?

The general solution for cos(x)=-0.6293 is x=2.25144…+2pin,x=-2.25144…+2pin

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cos(x)=-0.6293

cos (x) = - 0.6293

x = 2.25144 \dots + 2 πn, x = - 2.25144 \dots + 2 πn

Solution steps

cos (x) = - 0.6293

Apply trig inverse properties

x = arccos (- 0.6293) + 2 πn, x = - arccos (- 0.6293) + 2 πn

Show solutions in decimal form

x = 2.25144 \dots + 2 πn, x = - 2.25144 \dots + 2 πn

1 + 3 tan (θ) = 2

sec (3 θ) = - 1

x, 2 sin (x) = 0

y, arctan (x + y) = x

sin (x) = 2.4

What is the general solution for cos(x)=-0.6293 ?
The general solution for cos(x)=-0.6293 is x=2.25144…+2pin,x=-2.25144…+2pin