Math, asked by minatonamikaze33, 5 months ago

A line makes angle α, β, γ with x-axis, y-axis and z-axis respectively then cos 2α + cos 2β + cos 2γ is equal toA) 2B) 1C) -2D) -1

Answers

Answered by sdabinder605

1

Answer:

d) -1 is your answer

Step-by-step explanation:

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