Find cos 210° in surd form.
University of Ilorin MTH101 2026-exam past question
- −√3/2
- −1/2
- √3/2
- 1/2
Register free to see the answer and step-by-step explanation
More University of Ilorin MTH101 2026-exam past questions
Related questions
- Find the quadratic equation whose roots are 3 + i and 3 − i.
- Which term is the middle term in the expansion of (3a − b)⁸?
- What is (cosθ + i sinθ)⁻ⁿ?
- sin(−740°) is the same as
- Express sin 405° in surd form.
- Given U = natural numbers from 11 to 20, A = odd numbers from 11 to 20 and B = even numbers from 11 to 20, find A ∪ B.
