PYQ Vault

Day 56: CBSE Class 10 Maths

5 questions. Try each one first, then open its answer.

  1. Question 1

    Introduction to Trigonometry. This type asked 2 times: 2025, 2026. This one: 2026

    23 (a)
    Prove that : 1+sin⁡A1−sin⁡A=sec⁡A+tan⁡A\sqrt{\dfrac{1 + \sin A}{1 - \sin A}} = \sec A + \tan A

  2. Question 2

    Introduction to Trigonometry. This type asked 2 times: 2025, 2026. This one: 2026

    15
    Given that sin⁡2α=32\sin 2\alpha = \dfrac{\sqrt{3}}{2}, the value of sin⁡3α\sin 3\alpha is :

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  3. Question 3

    Pair of Linear Equations in Two Variables. This type asked 2 times: 2024, 2026. This one: 2026

    14
    Equation of a line coincident with 2⋅5x−2y=32{\cdot}5x - 2y = 3 is :

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  4. Question 4

    Pair of Linear Equations in Two Variables. This type asked 2 times: 2023, 2026. This one: 2026

    26 (b)
    Solve the linear equations 3x+y=143x + y = 14 and y=2y = 2 graphically.

  5. Question 5

    Polynomials. This type asked 2 times: 2023, 2026. This one: 2026

    7
    Observe the graph of polynomial p(x)p(x). The zeroes of the polynomial are

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