since cosθ = x/r, and r is always positive,
where is x negative?
If cosθ=−14, then the angle θ is likely to be found in which quadrant(s)
2 answers
No angle θ exists anywhere so that cos θ = -14
-1 ≤ cos θ ≤ 1
-1 ≤ cos θ ≤ 1