Prove that sin 2 30- 2 30-tan 2 45-2

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Standard Values of Trigonometric Ratios

Prove that si...

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Prove that sin²30 + sec²30 + tan²45=2

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

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 {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 °}

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

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