\[ \frac{2 \cos ^{2} 60^{\circ}+3 \sec ^{2} 30^{\circ}-2 \tan ^{2} 45^{\circ}}{\sin ^{2} 30^{\circ}+\cos ^{2} 45^{\circ}}=? \] (a) \( \frac{15}{7} \) (b) \( \frac{10}{3} \) (c) \( \frac{15}{8} \) (d) \( \frac{10}{7} \)

Question

\[ \frac{2 \cos ^{2} 60^{\circ}+3 \sec ^{2} 30^{\circ}-2 \tan ^{2} 45^{\circ}}{\sin ^{2} 30^{\circ}+\cos ^{2} 45^{\circ}}=? \] (a) \( \frac{15}{7} \) (b) \( \frac{10}{3} \) (c) \( \frac{15}{8} \) (d) \( \frac{10}{7} \)

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Hello,

Your answer is 10/3

4 views Answered 2023-02-05 15:29