# Commerce (English Medium) Class 11 - CBSE Question Bank Solutions for Mathematics

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Find the radian measures corresponding to the following degree measures:

25°

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the radian measures corresponding to the following degree measures:

– 47° 30

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

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Find the radian measures corresponding to the following degree measures:

240°

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the radian measures corresponding to the following degree measures:

520°

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measures corresponding to the following radian measures (use  pi = 22/7)

11/16

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measures corresponding to the following radian measures (Use pi = 22/7)

-4

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measures corresponding to the following radian measures (Use pi = 22/7)

(5pi)/3

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measures corresponding to the following radian measures (use pi= 22/7)

(7pi)/6

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

A wheel makes 360 revolutions in one minute. Through how many radians does it turn in one second?

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measure of the angle subtended at the centre of a circle of radius 100 cm by an arc of length 22 cm

(Use pi = 22/7)

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

In a circle of diameter 40 cm, the length of a chord is 20 cm. Find the length of minor arc of the chord.

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

If in two circles, arcs of the same length subtend angles 60° and 75° at the centre, find the ratio of their radii.

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the angle in radian though which a pendulum swings if its length is 75 cm and the tip describes an arc of length

10 cm

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the angle in radian though which a pendulum swings if its length is 75 cm and the tip describes an arc of length

15 cm

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the angle in radian though which a pendulum swings if its length is 75 cm and the tip describes an arc of length

21 cm

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measure corresponding to the following radian measure:
$\frac{9\pi}{5}$

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measure corresponding to the following radian measure:
$- \frac{5\pi}{6}$

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measure corresponding to the following radian measure:
$\left( \frac{18\pi}{5} \right)$

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measure corresponding to the following radian measure:
(−3)c

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle

Find the degree measure corresponding to the following radian measure:
11c

[0.01] Trigonometric Functions
Chapter: [0.01] Trigonometric Functions
Concept: Concept of Angle
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