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Introduction to Trigonometry

CBSE 2026 Board Exam Set 2 (Code 30/1/2)

CBSE_BOARD_PYQ_2026_30_1_2

Grade 10

Question:

[Section A]

The value of $(\sin^2 30^\circ + \cos^2 30^\circ)$ is:

(A) $0$
(B) $1$
(C) $2$
(D) $1/2$

Step-by-Step Solution

Key Concept: Fundamental identity.

Sol. (B) $1$. [1.0 Mark]

Correct Answer: (B) $1$

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