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If A = 30o, what is the value of : $\frac{[6sinA+9cosecA-cot^2A]}{12sinA}$ |
6 -6 3 -3 |
3 |
$\frac{[6sinA+9cosecA-cot^2A]}{12sinA}$ Put A = 30º = $\frac{[6sin30º+9cosec30º-cot^230º]}{12sin30º}$ = $\frac{[6 × 1/2 +9×2 - 3 ]}{12×1/2}$ = 3 |
