Practice problem
Give exact values for (cosθ,sinθ)(\cos\theta,\sin\theta)(cosθ,sinθ) for .
(1,0)(1,0)(1,0)
(−1,0)(-1,0)(−1,0)
(0,1)(0,1)(0,1)
(0,−1)(0,-1)(0,−1)
Type a concept, like “slope” or “photosynthesis”.