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The area of triangle is calculated by the formula $\frac{1}{2} bc\text{ }sin A$ . If the angle A is measure $30^\circ$ with 1% error. Find the % error in area.

(A) $\frac{\pi}{\sqrt{3}}$

(B) $\frac{\pi}{2\sqrt{3}}$

(C) $\frac{2\pi}{\sqrt{3}}$

(D) $\frac{\pi}{2}$

in Calculus | 13 views