Trigonometry: Identities & Values
by FlashQuest
Exact unit-circle values plus the identities that carry precalculus: Pythagorean, reciprocal, double-angle, and parity.
♠ Try 3 cards right here
♥ What’s inside
- What is the exact value of sin 30°?
- 1/2
- What is the exact value of cos 45°?
- √2/2
- What is the exact value of sin 60°?
- √3/2
16 cards in the full deck, free in the app with spaced repetition doing the scheduling.
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Study it properly.
Free on iPhone and iPad, with scheduling that remembers exactly which cards you struggle with.
