If the value of \( \sec \mathrm{A}=\frac{26}{10} \), then find the value of \( \tan ^{2} \mathrm... VIDEO
If the value of \( \sec \mathrm{A}=\frac{26}{10} \), then find the value of \( \tan ^{2} \mathrm{~A}-\sin ^{2} \mathrm{~A}-\sin ^{4} \mathrm{~A} \sec ^{2} \mathrm{~A} \).
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