What is the general solution for cos(x)=0.15 ?

The general solution for cos(x)=0.15 is x=1.42022…+2pin,x=2pi-1.42022…+2pin

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cos(x)=0.15

cos (x) = 0.15

x = 1.42022 \dots + 2 πn, x = 2 π - 1.42022 \dots + 2 πn

Solution steps

cos (x) = 0.15

Apply trig inverse properties

x = arccos (0.15) + 2 πn, x = 2 π - arccos (0.15) + 2 πn

Show solutions in decimal form

x = 1.42022 \dots + 2 πn, x = 2 π - 1.42022 \dots + 2 πn

cos (5 0^{\circ})

sin (2 x) = cos (x)

arccos (\frac{3}{2})

cot (θ) + 1 = 0

2 sin^{2} (θ) - sin (θ) - 1 = 0

What is the general solution for cos(x)=0.15 ?
The general solution for cos(x)=0.15 is x=1.42022…+2pin,x=2pi-1.42022…+2pin