Question

4cosec30°-3tan2^30°-2cos60°

Answer 1

Step-by-step explanation:

$4cosec(30) - 3 \tan {}^{2} (30) - 2 \cos(60) \\ \\ = 4 \times 2 - 3 \times ( \frac{1}{ \sqrt{3}) } ) {}^{2} - 2 \times \frac{1}{2} \\ \\ = 8 - \frac{3}{3} - 1 \\ \\ = 8 - 1 - 1 \\ \\ = 6$