First Year Mathematics Chapter 10 Online MCQ Test for 1st Year Mathematics Chapter 10 (Trigonometric Identities Sum and Difference of Angles)

• 
  A
• 
  B
• 
  C
• 
  D

2 cos α cos ß =

• sin (α + ß) - sin (α - ß) A
• cos (α + ß) - cos (α - ß) B
• cos (α + ß) + cos (α - ß) C
• sin (α + ß) + sin (α - ß) D

• quad. I A
• quad. II B
• quad. III C
• quad. IV D

The angles 90°±Θ, 180°±Θ, 270°±Θ, 360°±Θ, are the:

• composite angles A
• half angles B
• quadrantal angles C
• allied angles D

cos (α-ß) =

• cos α cos ß + sin α sin ß A
• cos α cos ß - sin α sin ß B
• cos α cos ß + sin α cos ß C
• sin α cos ß - sin α sin ß D

• 
  A
• 
  B
• 
  C
• 
  D

• quad I A
• quad. II B
• quad. III C
• quad. IV D

If sin α = cos ß in any triangle ABC then:

• α + ß = 90° A
• α + ß = 180° B
• α + ß = 360° C
• α + ß D

• 
  A
• 
  B
• 
  C
• 
  D

sin (α + ß) =

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

A reference angle Θ is always:

• 
  A
• 
  B
• 
  C
• 
  D

Tan (294°) =

• tan24° A
• -tan24° B
• cot24° C
• -cot24° D

tan (270° + Θ) is equal:

• cot Θ A
• tan Θ B
• -cot Θ C
• -tan Θ D

• 
  A
• 
  B
• 
  C
• none of these D

• 
  A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  D

• 1 + cos Θ A
• 1 - cos Θ B
• 
  C
• 
  D

The distance between the points P(x1, y1) and Q(x2, y2) is:

• 
  A
• 
  B
• 
  C
• 
  D

csc (2π - Θ), where Θ is a basic angle, will have terminal side in:

• quad. I A
• quad. II B
• quad. III C
• quad. IV D