If α, β and γ are the angles which the vector OP (O being the origin) makes with positive direction of the coordinate axes, then which of the following are correct?
1. cos²α + cos²β = sin²γ
2. sin²α + sin²β = cos²γ
3. sin²α + sin²β + sin²γ = 2
Select the correct answer using the code given below.
Mathematics
2017
NDA Mathematics 2017
NDA 2017
Options
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