SubArea: Sine, cosine, tangent and cotangentLevel: AProject ID: 2010016805Source Problem: 1003076701Accepted: 0Clonable: 1Easy: 0The value of the expression \( 3\cos\frac{\pi}4 - 3\sin\frac{\pi}4 + 2\left(\cos\frac{\pi}3 - \sin\frac{\pi}6 \right) \) is:\( 0\)\( \sqrt2\)\( 1\)\( \frac12\)
