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Trigonometrical Ratios — MATHEMATICS STD 9 — Question

ICSE BoardEnglish MediumSTD 9MATHEMATICSTrigonometrical Ratios1 Mark
MCQ
If $\cos 2 \theta=0$ and $\theta$ is an acute angle, then $\cot \left(\begin{array}{ll}\theta & 15\end{array}\right)=$
  • A
    $\frac{1}{\sqrt{3}}$
  • B
    1
  • ✓
    $\sqrt{3}$
  • D
    undefined
✓

Answer

Correct option: C.
$\sqrt{3}$
C

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