10th class Math Unit 7 MCQs
Chapter 7 MCQs 10th Class Math
Introduction To Trigonometry:
1. The union of two non-collinear rays, which have common end point is called:
a. A minute
b. An angle
c. A radian
d. A degree
2. The system of measurement in which the angle is measured in radians is called:
a. MKS system
b. CGS system
c. Circular system
d. Sexagesimal system
3. 20∘ = . . . . .
a. 1200′
b. 360′
c. 3600′
d. 630′
4. 3π/4 radians:
a. 1500
b. 1150
c. 300
d. 1350
5. If tan θ = 3 , then θ =
a. 600
b. 900
c. 300
d. 450
6. Sec2θ =
a. 1+cos2θ
b. 1−sin2θ
c. 1−tan2θ
d. 1+tan2θ
7. 1/1+Sinθ + 1/1-Sinθ =
a. sec2θ
b. 2sec2θ
c. cosθ
d. 2cos2θ
8. 1/2 cos ec 45° =
a. √2
b. 1/2√2
c. √3/2
d. 1/√2
9. Secθ cotθ =
a. 1/sinθ
b. sinθ
c. sinθ/cosθ
d. 1/cosθ
10. cosec2θ −cot2θ =
a. 0
b. -1
c. tanθ
d. 1
11. A complete circle is divided into:
a. 2700
b. 900
c. 3600
d. 1800
12. 3π/2 radian =
a. 1800
b. 300
c. 2700
d. 1350
13. Cot60° =
a. 1/2
b. 1/√3
c. 2
d. √3
14. Sin2θ +Cos2θ =
a. 1
b. Sinθ
c. 2
d. cosθ
15. Area of the circle is equal to ……….:
a. 2πr
b. πr2
c. πr2h
d. 4πr2
16. 1=?
a. 10
b. 20
c. 30
d. 60 sec
17. 360 make ……… right angles.
a. 4
b. 1
c. 5
d. 2
18 πradians= ?
a. 450
b. 1800
c. 300
d. 900
19. Quadrental angle is:
a. 1200
b. 300
c. 2700
d. 450
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