SubArea: Sine, cosine, tangent and cotangentLevel: BProject ID: 1003076507Accepted: 1Clonable: 0Easy: 1For which \( x \in[0;\frac{\pi}2] \) is \( \sin x = \cos x \)?\( \frac{\pi}4 \)\( 0 \)\( \frac{\pi}2 \)\( \frac{\pi}3 \)
