Practice problem
Find an angle θ\thetaθ with 0<θ<360∘0<\theta<360^{\circ}0<θ<360∘ or 0<θ<2π0<\theta<2\pi0<θ<2π that has the same sine value as π4\frac{\pi}44π
22\frac{\sqrt2}{2}22
−22-\frac{\sqrt2}{2}−22
12\frac1221
−12-\frac12−21
Type a concept, like “slope” or “photosynthesis”.