What is the general solution for cos^2(x)+6cos(x)=-3,y=3 ?

The general solution for cos^2(x)+6cos(x)=-3,y=3 is No Solution for x\in\mathbb{R}

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cos^2(x)+6cos(x)=-3,y=3

cos^{2} (x) + 6 cos (x) = - 3, y = 3

No Solution for x \in R

Solution steps

cos^{2} (x) + 6 cos (x) = - 3, y = 3

Solve by substitution

cos (x) = - 3 + 6, cos (x) = - 3 - 6

cos (x) = - 3 + 6, y = 3 :

No Solution

cos (x) = - 3 - 6, y = 3 :

No Solution

Combine all the solutions

No Solution for x \in R

2 sec^{2} (x) - 5 tan (x) = 5

coth (z) = 1

cos (10 x) = sin (5 x - 3)

13 tan (a) = 10, 0 b = 100

- 4 cos (3 x) = 0

What is the general solution for cos^2(x)+6cos(x)=-3,y=3 ?
The general solution for cos^2(x)+6cos(x)=-3,y=3 is No Solution for x\in\mathbb{R}