SubArea: Sine, cosine, tangent and cotangentLevel: BProject ID: 1003076602Accepted: 1Clonable: 0Easy: 1How many \( x \)-intercepts has the graph of the function \( f(x)=\sin 3x \) on the interval \( [-\pi; 3\pi] \)?\( 13 \)\( 10 \)\( 14 \)\( 8 \)
