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

The length of a tangent to a circle is from the given point to the point of:

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start point

enc points

contact

collinear

Formula of arc length is.

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l=rθ

r=lθ

θ =lr

l=r/θ

Fundamental trigonometric ration are.

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3

4

5

6

Cot 45°=_______

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1/2

-1/2

1/√2

1

1/2 Cosec 45^o = ___________________

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1/2√2

1/√2

√2

√3/2

A circle of radius 'r' has area:

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πr²

2πr

2πr²

1/2πr

1+Cot² θ

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Sin²θ

Cos²θ

Cosec² θ

Sec²θ

Arms of an angle called:

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Terminal sides

Rays

Rotation of arms

Position

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

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0.0175 radians

0.175 radians

1.75 radians

175 radians

π/4 radians =...........................

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30^o

60^o

45^o

90^o

If 't' is the radius of a circle, then its circumferienc is.

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π/2r

πr

2πr

4πr

In which quadrant 0 lie when Secθ< 0, Sinθ< o ?

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I

II

III

IV

The union of two noncollinear rays. which have common endpoint is called

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An angle

A degree

A minute

A raian

Sec (-60^o)=.....................

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-Sec 60^o

Sec 60^o

Cos60^o

Cot 60^o

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

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30^o

45^o

60^o

90^o

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Mathematics 10th Class English Medium Unit 7 Online Test MCQs With Answers

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