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Express cos150° in surd form.
Classroom
Further Mathematics Classroom
Waec
Waec 2017
More Topics
Express cos150° in surd form.
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
\(-\sqrt{3}\)
B
\(-\frac{\sqrt{3}}{2}\)
C
\(-\frac{1}{2}\)
D
\(\frac{\sqrt{2}}{2}\)
Show Answer
Show Explanation
Correct Answer:
Option B
Explanation:
cos150° = -cos30°
= \(-\frac{\sqrt{3}}{2}\)
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