Evaluate each of the following2 sin 2 30-3 cos 2 45-tan 2 60-

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Relation between Trigonometric Ratios

Evaluate each...

Question

Evaluate each of the following

2 sin² 30° − 3 cos² 45° + tan²60°

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Solution

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2 s i n^{2} 30^{\circ} - 3 c o s^{2} 45^{\circ} + t a n^{2} 60^{\circ}

Evaluate each of the following

$\frac{t a n^{2} 60^{o} + 4 c o s^{2} 45^{o} + 3 s e c^{2} 30^{o} + 5 c o s^{2} 90^{o}}{c o s e c 30^{o} + s e c 60^{o} - c o t^{2} 30^{o}}$

3 {cos}^{2} 30^{\circ} + {sec}^{2} 30^{\circ} + 2 cos 0^{\circ} + 3 s i n 90^{\circ} - {tan}^{2} 60^{\circ}

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