Practice problem
Simplify the expression 1−2sin2(17∘)\\1-2\sin^2(17^{\circ})1−2sin2(17∘)
cos(34∘)\cos(34^{\circ})cos(34∘)
sin(34∘)\sin(34^{\circ})sin(34∘)
tan(34∘)\tan(34^{\circ})tan(34∘)
cos(17∘)\cos(17^{\circ})cos(17∘)
Type a concept, like “slope” or “photosynthesis”.