Trigonometric identities or formula, describe the relationship between sine, cosine, tangent, and cotangent and are used in solving mathematical problems.
It’s include Ratio, Pythagorean, Symmetry, Angle, Double Angle, Half Angle, Product to Sum and Sum to Product identities.
First you will see the formula so you can learn and memorize it. Later, flash cards with question to test what you have learned and memorized will be shown.
If you answer the flash card correctly they will be shown less often future. The opposite is true if you answer wrongly, then they will be shown more often.
When it’s time to repeat a cards, a push notification will be shown as a reminder to repeat them.