sin θ = x cos ϕ ಮತ್ತು cos θ = y sin ϕ ಆಗಿದ್ದರೆ, cos2 ϕ ಮೌಲ್ಯವು ಹೀಗಿರುತ್ತದೆ:

1
\(\rm \frac{(1+y^2)}{(x^2-y^2)}\)
2
\(\rm \frac{(1-y^2)}{(x^2-y^2)}\)
3
\(\rm \frac{(y^2-1)}{(x^2-y^2)}\)
4
\(\rm \frac{y^2(x^2-1)}{(x^2-y^2)}\)

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