Preheat air fryer to 325°. In a dry small skillet, toast coriander and cumin seeds over medium heat 45-60 seconds or until aromatic, stirring frequently. Cool slightly. Grind in a spice grinder, or with a mortar and pestle, until finely crushed., Place carrots in a large bowl. Add melted coconut oil, garlic, salt, pepper and crushed spices; toss to coat. Place on greased tray in air-fryer basket., Cook until crisp-tender and lightly browned, 12-15 minutes, stirring occasionally. If desired, sprinkle with cilantro.