Introduction to Trigonometry

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

• I A
• II B
• III C
• IV D

The common end point of arms of an angle is known as:

• Angles A
• Arms B
• Vertex C
• Rays D

1/2 Cosec 45^o = ___________________

• 1/2√2 A
• 1/√2 B
• √2 C
• √3/2 D

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

• C.G.S System A
• Sexagesimal system B
• M.K.S.System C
• circular system D

1/cosθ = ................

• Sinθ A
• Secθ B
• Co secθ C
• Cosθ D

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

• I A
• II B
• III C
• IV D

π/2 radians =.....................

• 30^o A
• 45^o B
• 60^o C
• 90^o D

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

• CGS system A
• Sexagesimal system B
• Circular system C
• MSK sytem D

The symbol used to denote a minute is:

• 1" A
• 1' B
• 1° C
• 1"" D

In which quadrant only Cosθ and Secθ are positive?

• I A
• II B
• III C
• IV D

• 
  A
• 
  B
• 
  C
• 
  D

Cot 45°=_______

• 1/2 A
• -1/2 B
• 1/√2 C
• 1 D

Co sec 30^o = .................

• 1/2 A
• √3/2 B
• 2 C
• 2/√3 D

Sin (-310^o) = ...................

• Sin310^o A
• -Sin310^o B
• Cos310^o C
• tan310^o D

Cosec²θ - Cot²θ = ______________

• -1 A
• 1 B
• 0 C
• tanθ D