Practice problem
(ARML 2014 Team Round #7) Compute: sin24∘+sin28∘+sin212∘+...+sin2176∘.\sin^2 4^{\circ} + \sin^2 8^{\circ} + \sin^2 12^{\circ} + ... + \sin^2 176^{\circ}.sin24∘+sin28∘+sin212∘+...+sin2176∘.
Answer
Solution
Type a concept, like “slope” or “photosynthesis”.