Do you learn trigonometry before geometry?

Your background. You should already be familiar with algebra and geometry before learning trigonometry. From algebra, you should be comfortable with manipulating algebraic expressions and solving equations.

Do high schoolers take trigonometry?

Usually taken during a student’s junior year (though it may happen earlier or even later), trigonometry is often worked into existing math courses, but some students may end up taking it as its own course. It involves both algebra and geometry and applying those concepts to circular and periodic functions.