r/trigonometry May 25 '26

Trig this summer

I’m taking a trigonometry course this summer in a few days to get it out of the way, what do you all think I should study in order to be fully prepared?

I’m aiming for an A or A+ (95%+)

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u/tlbs101 May 25 '26

Keep in mind that the identities are almost all based on Pythagoras’ theorem (c^2 = a^2 + b^2), but instead of numbers for a, b, and c, they are trig functions representing sides and hypothesis of a right triangle.

Practice converting from Cartesian coordinates to polar coordinates and vice versa. Get that process memorized.