MCQ — Attempt all

1. What is a trigonometrical ratio?
   • The ratio of two angles
   • The ratio of two sides
   • The sum of an angle and a side
   • The area of a triangle
2. In a right-angled triangle, what is the side opposite the right angle called?
   • Perpendicular
   • Base
   • Hypotenuse
   • Altitude to the hypotenuse
3. What is the side opposite the angle θ called?
   • Base
   • Perpendicular
   • Hypotenuse
   • Radius
4. What is the side adjacent to the angle θ called?
   • Base
   • Perpendicular
   • Hypotenuse
   • Diagonal
5. If perpendicular = p, base = b and hypotenuse = h, then which one is the value of sin θ?
   • b/h
   • p/h
   • p/b
   • h/p
6. If perpendicular = p, base = b and hypotenuse = h, then which one is the value of cos θ?
   • p/h
   • h/b
   • b/h
   • b/p
7. If perpendicular = p and base = b, then which one is the value of tan θ?
   • p/b
   • b/p
   • h/b
   • p/h
8. cosec θ is the reciprocal of which ratio?
   • cos θ
   • tan θ
   • sin θ
   • cot θ
9. sec θ is the reciprocal of which ratio?
   • sin θ
   • cos θ
   • tan θ
   • cot θ
10. cot θ is the reciprocal of which ratio?
    • sin θ
    • cos θ
    • tan θ
    • cosec θ