2024-If a, b and c are the angles which a line makes with positive directions of x, y, z axes respec 

If 𝛼, 𝛽 and 𝛾 are the angles which a line makes with positive directions of x, y, z axes respectively, then which of the following is not true ?
(A) cos^2⁡𝛼 + cos^2⁡𝛽 + cos^2⁡𝛾 = 1
(B) 𝑠𝑖𝑛^2⁡𝛼 + sin^2⁡𝛽 + sin^2⁡𝛾 = 2
(C) cos^⁡2𝛼 + cos^⁡2𝛽 + cos^⁡2𝛾 = −1
(D) cos⁡𝛼 + cos⁡𝛽 + cos⁡𝛾 = 1