Find the value ofcot2 30-2cos2 60-3-4sec2 45-4sin2 30-

Cot^2 30^∘ 2cos^2 60^∘ 3/4sec^2 45^∘ 4sin^2 30^∘ =(√(3))^2 2(1/2)^2 3/4(√(2))^2 4(1/2)^2 =3 1/2 3/2 1 = 0 ...

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Standard Values of Trigonometric Ratios

Find the valu...

Question

Find the value of
$c o t^{2} 30^{\circ} - 2 c o s^{2} 60^{\circ} - \frac{3}{4} s e c^{2} 45^{\circ} - 4 s i n^{2} 30^{\circ} .$

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Find the value of
$c o t^{2} 30^{\circ} - 2 c o s^{2} 60^{\circ} - \frac{3}{4} s e c^{2} 45^{\circ} - 4 s i n^{2} 30^{\circ} .$

The value $c o t^{2} 30^{\circ} - 2 c o s^{2} 60^{\circ} - \frac{3}{4} s e c^{2} 45^{\circ} - 4 s i n^{2} 30^{\circ}$ is

c o t^{2} 30^{\circ} - 2 c o s^{2} 60^{\circ} - \frac{3}{4} s e c^{2} 45^{\circ} - 4 s e c^{2} 30^{\circ}

\frac{c o t^{2} 30^{\circ} + 8 s i n^{2} 45^{\circ} + \frac{3}{2} s e c^{2} 30^{\circ} + 2 c o s^{2} 90^{\circ}}{2 s e c 60^{\circ} + 3 c o s e c 30^{\circ} - \frac{7}{3} t a n^{2} 60^{\circ}}

2 {sin}^{2} 54^{\circ} - 2 {cos}^{2} 36^{\circ} + 4 {sin}^{2} 30^{\circ}

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