हल करना 2cos^2 3 + g ^ 2 = 8 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$2\ \cos^{2}+3+g^{2}=8$$