What is the general solution for -4cos(c)-12=2cos(c)-6 ?

The general solution for -4cos(c)-12=2cos(c)-6 is c=pi+2pin

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-4cos(c)-12=2cos(c)-6

- 4 cos (c) - 12 = 2 cos (c) - 6

c = π + 2 πn

Solution steps

- 4 cos (c) - 12 = 2 cos (c) - 6

Solve by substitution

cos (c) = - 1

cos (c) = - 1 : c = π + 2 πn

Combine all the solutions

c = π + 2 πn

tan (- 3 x) = 3

sin (A) = \frac{11}{61}

y, x = arctan (y)

cos (θ) - tan (θ) cos (θ) = 0

tan (x - \frac{π}{2}) + 1 = 0

What is the general solution for -4cos(c)-12=2cos(c)-6 ?
The general solution for -4cos(c)-12=2cos(c)-6 is c=pi+2pin