What is the general solution for cos(u)=-15/17 ?

The general solution for cos(u)=-15/17 is u=2.65163…+2pin,u=-2.65163…+2pin

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cos(u)=-15/17

cos (u) = - \frac{15}{17}

u = 2.65163 \dots + 2 πn, u = - 2.65163 \dots + 2 πn

Degrees

u = 151.92751 \dots^{\circ} + 36 0^{\circ} n, u = - 151.92751 \dots^{\circ} + 36 0^{\circ} n

Solution steps

cos (u) = - \frac{15}{17}

Apply trig inverse properties

cos (u) = - \frac{15}{17}

General solutions for

cos (u) = - \frac{15}{17}

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

u = arccos (- \frac{15}{17}) + 2 πn, u = - arccos (- \frac{15}{17}) + 2 πn

u = arccos (- \frac{15}{17}) + 2 πn, u = - arccos (- \frac{15}{17}) + 2 πn

Show solutions in decimal form

u = 2.65163 \dots + 2 πn, u = - 2.65163 \dots + 2 πn

2 cos (\frac{x}{3}) = 1

0 = 3 tan (x)

x, z = arctan (\frac{x - y}{x + y})

sin (b) = \frac{4}{5}

14 (1 - cos (θ)) = sin^{2} (θ)

What is the general solution for cos(u)=-15/17 ?
The general solution for cos(u)=-15/17 is u=2.65163…+2pin,u=-2.65163…+2pin