हल करना (2 + tan^2 alpha) * 1/(cos^2 alpha) - 1 | 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

$$(2+\tan^{2}\alpha)\times\frac{1}{\cos^{2}\alpha}-1$$