Question # 1

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

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180π radian

π radian

π/180 radian

180/π radian

Sin²θ +Cos²θ =..................

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tan²θ

Cos²θ

1

0

Cto 60^o=.................

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1/2

√3/2

√3

1/√3

Secθ Cotθ = _______

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Sinθ

1/ Sinθ

1/Cosθ

Sinθ / Cosθ

Arms of an angle called:

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Terminal sides

Rays

Rotation of arms

Position

Sec²θ__________________

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1-Sin²θ

1-tan²θ

1 + Cos²θ

1-tan²θ

2π radian = .......................

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0^o

90^o

180^o

360^o

In which quadrantθ lie when Sinθ> 0, tanθ< o ?

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I

II

III

IV

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

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-Sec 60^o

Sec 60^o

Cos60^o

Cot 60^o

1/sinθ = ...............

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Cosθ

Secθ

Co secθ

Cotθ

An angle which is equal to 90° is called:

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right angle

obtuse angle

acute angle

none of these

Diameter of a a circle divides it into many parts?

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two

three

four

countless

In which quadrant only Sinθ and Co cosθ are positive?

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I

II

III

IV

1/cosθ = ................

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Sinθ

Secθ

Co secθ

Cosθ

3π/4 radian =

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115^o

135^o

150^o

30^o

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90°

45°

60°

30°

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