2010 · Q3
If cos 1° = p and cos 89° = q, then which one of the following is correct ?
Elementary MathematicsTrigonometry
- Ap is close to zero and q is close to 1
- Bp < q
- Cp = q
- Dp is close to 1 and q is close to zero
Explanation
cos 1° ≈ 1 and cos 89° ≈ 0.