Question # 1

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

Co sec 45^o = .................

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1

√2

1/√2

0

The symbol used to denote a degree is:

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100

1°

100'

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

In which quadrant 0 lie when Cosθ < 0. tanθ <0?

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I

II

III

IV

A circle of radius 'r' has a circumference of:

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πr2

2πr

2πr2

1/2πr

The D° M' S" form of 32.25° is:

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32°05°

32°10'

32°15'

32°20'

Pi radians is equal to:

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150°

160°

180°

240°

1^o=.........................

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180π radian

π radian

π/180 radian

180/π radian

sinθ cosθ = ......................

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sinθ

1/cosθ

1/sinθ

sinθ/cosθ

In a unit circle, cosθ = ___________

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y

x

y/x

None of these

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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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