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Introduction to Trigonometry

CBSE 2026 Board Exam Set 1 (Code 30/1/1)

CBSE_BOARD_PYQ_2026_30_1_1

Grade 10

Question:

[Section A]

If $\sin \theta = 1/2$, then the value of $\cot \theta$ is:

(A) $\sqrt{3}$
(B) $1/\sqrt{3}$
(C) $\sqrt{2}$
(D) $1$

Step-by-Step Solution

Key Concept: $\sin \theta = 1/2 \Rightarrow \theta = 30^\circ \Rightarrow \cot 30^\circ = \sqrt{3}$.

Sol. (A) $\sqrt{3}$. [1.0 Mark]

Correct Answer: (A) $\sqrt{3}$

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