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Previous year question hub

Trigonometry - Mathematics Previous Year Questions

Practice Trigonometry - Mathematics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

3Papers
3Years
3Questions
1Topics

Trigonometry question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Trigonometry. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Not classified 3 100%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 3 100%

Subject weightage

Top subjects by unique question coverage.

Mathematics
3 Qs

Most asked topics

Top topics across the included previous year papers.

Trigonometry
3 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Trigonometric Equations
1 Qs
Properties Of Triangles
1 Qs
Inverse Trigonometric Functions
1 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

IAT IISER 2025
1 Qs
IAT IISER 2024
1 Qs
IAT IISER 2020
1 Qs

Browse by subtopics

Open a focused page built from the same verified paper data.

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
IAT IISER 202520251View paper
IAT IISER 202420241View paper
IAT IISER 202020201View paper

Sample previous year questions

A varied preview from the papers represented in this selection, with every available option.

1
2020 · Mathematics · Trigonometry · Trigonometric Equations
IAT IISER 2020
If S is the set of all points $(x, y)$ satisfying the equation $\sin x=\cos y$, then which of the following statements is correct?
A
$S$ contains all points of a parabola.
B
$S$ contains all points of a circle.
C
$S$ contains all points of a hyperbola.
D
$S$ contains all points of a straight line.
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2
2024 · Mathematics · Trigonometry · Properties Of Triangles
IAT IISER 2024

In the given figure, the angles $\angle B A Q=\angle C P Q=\angle C B Q=\frac{\pi}{2}$; and the lengths $Q A=3$ units, $A B=$ 4 units, and $B C=1$ unit. What is the length of $P Q$ ?

IAT (IISER) 2024 Mathematics - Properties of Triangles Question 1 English
A
2 unit
B
2.2 unit
C
$\sqrt{2}$ unit
D
$3-\sqrt{2}$ unit
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3
2025 · Mathematics · Trigonometry · Inverse Trigonometric Functions
IAT IISER 2025

Let $f: \mathbf{R} \rightarrow \mathbf{R}$ be the function given by $f(x)=\cos \left(\tan ^{-1} x\right)$. Which one of the following statements is TRUE?

A

$f$ is decreasing for $x>0$

B

$f$ is decreasing for $x<0$

C

$f$ is decreasing on $\mathbf{R}$

D

$f$ is decreasing on the interval $(-1,1)$

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