5 cos 2 60-4 2 30-tan 2 45 -sin 2 30 sin 2 30-cos 2 30

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Standard Values of Trigonometric Ratios

5 cos 2 60+4 ...

Question

(5cos²60+4sec²30-tan²45)÷(sin²30sin²30+cos²30)

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Evaluate: $5 (\frac{{cos}^{2} 60^{\circ} + 4 {sec}^{2} 30^{\circ} - {tan}^{2} 45^{\circ}}{{sin}^{2} 30^{\circ} + {cos}^{2} 30^{\circ}})$ .

$\frac{5 c o s^{2} 60^{\circ} + 4 s e c^{2} 30^{\circ} - t a n t^{2} 45^{\circ}}{s i n^{2} 30^{\circ} + c o s^{2} 30^{\circ}}$

\frac{5 {cos}^{2} 60^{\circ} + 4 {sec}^{2} 30^{\circ} - {tan}^{2} 45^{\circ}}{{sin}^{2} 30^{\circ} + {cos}^{2} 30^{\circ}}

\frac{5 {cos}^{2} 60^{\circ} + 4 {sec}^{2} 30^{\circ} - {tan}^{2} 45^{\circ}}{{sin}^{2} 30^{\circ} + {cos}^{2} 30^{\circ}}

\frac{5 \cos^{2} 60 ° + 4 \sec^{2} 30 ° - \tan^{2} 45 °}{\sin^{2} 30 ° + \cos^{2} 30 °}

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