हल करना (1 - Si * n ^ 2 * theta) * Se * c ^ 2 * theta = 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

$$(1-Sin^{2}\theta)Sec^{2}\theta=1$$