What is the general solution for cos(2x+30)=0 ?

The general solution for cos(2x+30)=0 is x=180n+30,x=180n+120

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cos(2x+30)=0

cos (2 x + 3 0^{\circ}) = 0

x = 18 0^{\circ} n + 3 0^{\circ}, x = 18 0^{\circ} n + 12 0^{\circ}

Solution steps

cos (2 x + 3 0^{\circ}) = 0

General solutions for

cos (2 x + 3 0^{\circ}) = 0

2 x + 3 0^{\circ} = 9 0^{\circ} + 36 0^{\circ} n, 2 x + 3 0^{\circ} = 27 0^{\circ} + 36 0^{\circ} n

Solve

2 x + 3 0^{\circ} = 9 0^{\circ} + 36 0^{\circ} n : x = 18 0^{\circ} n + 3 0^{\circ}

Solve

2 x + 3 0^{\circ} = 27 0^{\circ} + 36 0^{\circ} n : x = 18 0^{\circ} n + 12 0^{\circ}

x = 18 0^{\circ} n + 3 0^{\circ}, x = 18 0^{\circ} n + 12 0^{\circ}

cos (x) - 2 cos (x) \cdot sin (x) = 0

sin (θ) = 0.695

4 + sin (a) = 3 sin^{2} (a)

x, cos (2 x) - cos (x) = 0

tan^{2} (x) + 2 tan (x) - 1 = 0

What is the general solution for cos(2x+30)=0 ?
The general solution for cos(2x+30)=0 is x=180n+30,x=180n+120