Question # 1

The system of measurement in which the angle is measured in radian is called.

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CGS system

Sexagesimal system

Circular system

MSK sytem

360 degrees make 4 _________ angles:

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Obtuse

Right

Acute

Supplementary

1/sinθ = ...............

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Cosθ

Secθ

Co secθ

Cotθ

2π radian = .......................

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0^o

90^o

180^o

360^o

Area of ΔABC = :

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1/2(base)(altitude)

2(base)(altitude)

1/2 x base/altitude

(base)(altitude)

1° into radians is:

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0.0195 radians

0.0165radians

0.0185radians

0.0175radians

Sec²θ__________________

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1-Sin²θ

1-tan²θ

1 + Cos²θ

1-tan²θ

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115'

135°

150°

30°

Fundamental trigonometric ration are.

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3

4

5

6

The symbol used to denote a second is:

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1°, 1'

1°

1"

1'

The system of measurement in which the angle is measured in radians is called:

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CGS system

Sexagesimal system

MKS system

Circular system

In degree measurement . 1' is equal to:

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1^o

60^o

90^o

360^o

A circle of radius 'r' has area:

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πr²

2πr

2πr²

1/2πr

π/3 radians =..............................................

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30^o

45^o

60^o

90^o

If an object is above the level of observation then angle formed between the horizontal line and observer's line of sight is called:

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Angle of dispersion

Angle of elevation

Obtuse angle

None of these

Secθ Cotθ = _______

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Sinθ

1/ Sinθ

1/Cosθ

Sinθ / Cosθ

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10th Class Mathematics Chapter 7 Introduction to Trigonometry English Medium KPK Boards Online MCQ's MCQs With Answers

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