SSLC Maths English Medium - Trigonometry One Mark Questions Online Test

Maths - Trigonometry

Maths - Trigonometry

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1. (1 - sin²θ)sec²θ =
   1.   0
   2.   1
   3.   tan²θ
   4.   cos²θ
2. (1 + tan²θ)sin²θ =
   1.   sin²θ
   2.   cos²θ
   3.   tan²θ
   4.   cot²θ
3. (1 - cos²θ)(1 + cot²θ)
   1.   sin²θ
   2.   0
   3.   1
   4.   tan²θ
4. sin(90° - θ)cosθ + cos(90° - θ)sinθ
   1.   1
   2.   0
   3.   2
   4.   -1
5. 1 - sin²θ / 1 +cosθ
   1.   cosθ
   2.   tanθ
   3.   cotθ
   4.   cosecθ
6. cos⁴x - sin⁴x =
   1.   2sin²∂x - 1
   2.   2cos²x - 1
   3.   1 + 2sin²x
   4.   1 - 2cos²x
7. If tanθ = a / x then the value of , x / √a² + x² =
   1.   cosθ
   2.   sinθ
   3.   cosecθ
   4.   secθ
8. If x = asecθ , y = btanθ then the value of x² / a² - y² / b&sub2; =
   1.   1
   2.   -1
   3.   tan²θ
   4.   cosec&sup2θ
9. secθ / cotθ + tanθ =
   1.   cotθ
   2.   tanθ
   3.   sinθ
   4.   - cotθ
10. sin(90° - θ)sinθ / tanθ + cos(90° - θ)cosθ / cotθ =
    1.   tanθ
    2.   1
    3.   - 1
    4.   sinθ
11. In the adjoining figure, , AC =
    1.   25மீ
    2.   25√மீ
    3.   25 / √3 மீ
    4.   25 radic;2 மீ
12. In the adjoining figure, ∠ABC =
    1.   45°
    2.   30°
    3.   60°
    4.   50°
13. A man is 28.5 m away from a tower. His eye level above the ground is 1.5 m. The angle of elevation of the tower from his eyes is 45°. Then the height of the tower is
    1.   30மீ
    2.   27 . 5மீ
    3.   28 . 5 மீ
    4.   27மீ
14. In the adjoining figuresinθ = 15 / 17 Then, BC =
    1.   85மீ
    2.   65மீ
    3.   95மீ
    4.   75மீ
15. (1 + tan²θ) (1 - sinθ) (1 + sinθ) =
    1.   cos²θ - sin²θ
    2.   sin²θ - cos²θ
    3.   sin²θ + cos²θ
    4.   0
16. (1 + cot²θ) (1 - cosθ) (1 + cosθ)
    1.   tan²θ - sec²θ
    2.   sin²θ - cos²θ
    3.   sec²θ - tan²θ
    4.   cos²θ - sin²θ
17. (cos²θ - 1) (cot²θ + 1) + 1 =
    1.   1
    2.   - 1
    3.   2
    4.   0
18. 1 + tan²θ / 1 + cot²θ =
    1.   cos²θ
    2.   tan²θ
    3.   sin²θ
    4.   cot²θ
19. sin²θ + 1 / 1 + tan²θ =
    1.   cosec²θ + cot²θ
    2.   cosec²θ - cot²θ
    3.   cot²θ + cosec²θ
    4.   sin²θ + cos²θ
20. 9 tan²θ - 9 sec²θ =
    1.   1
    2.   0
    3.   9
    4.   - 9