What is the general solution for cos(a)=0.14 ?

The general solution for cos(a)=0.14 is a=1.43033…+2pin,a=2pi-1.43033…+2pin

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cos(a)=0.14

cos (a) = 0.14

a = 1.43033 \dots + 2 πn, a = 2 π - 1.43033 \dots + 2 πn

Degrees

a = 81.95215 \dots^{\circ} + 36 0^{\circ} n, a = 278.04784 \dots^{\circ} + 36 0^{\circ} n

Solution steps

cos (a) = 0.14

Apply trig inverse properties

cos (a) = 0.14

General solutions for

cos (a) = 0.14

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

a = arccos (0.14) + 2 πn, a = 2 π - arccos (0.14) + 2 πn

a = arccos (0.14) + 2 πn, a = 2 π - arccos (0.14) + 2 πn

Show solutions in decimal form

a = 1.43033 \dots + 2 πn, a = 2 π - 1.43033 \dots + 2 πn

\frac{1 + cos ^{2} ( x )}{sin ^{2} ( x )} = \frac{1}{sin ^{2} ( x )}

7 sin (a) = \frac{1}{11}

tan (x) = 2, x + y = 135

tan (\frac{x}{2}) + cos (x) = 1

sinh (z) = - 1

What is the general solution for cos(a)=0.14 ?
The general solution for cos(a)=0.14 is a=1.43033…+2pin,a=2pi-1.43033…+2pin