Trig- General MCQ-Nobodoot

1. 11.If cosθ=1/2, thenn cotθ=?

   1. A1/√3
   2. B1
   3. C√3
   4. D2
2. 22.if cos²θ-sin²θ=1/3, then cos⁴θ -sin⁴θ = ?
   
   2
   1
   1/3
   

   1. A3
   2. B2
   3. C1
   4. D1/3
3. 33.if cot(θ-30°) =1/√3, then sinθ =?

   1. A√3/2
   2. B1/2
   3. C0
   4. D1
4. 44.tan3A = √3, A =?

   1. A45
   2. B30
   3. C20
   4. D15
5. 55.0°≤θ≤90°, sinθ’s highest value.?

   1. A-1
   2. B0
   3. C1/2
   4. D1
6. 67.Which equation is correct

   1. AcotA = sinA/cosA
   2. BsinA=1/secA
   3. CtanA=sinA/cosA
   4. DcotA=1/cosecA
7. 78.cosθ = √3/2, θ =?

   1. A90
   2. B60
   3. C45
   4. D30
8. 89.sinθ= √3/2, tanθ =?

   1. A√3
   2. B3√3
   3. C√3/1
   4. D1/√3
9. 910.Which one i correct.?

   1. A(1/cosec²θ)+(1/sec²θ)
   2. Bsin²θ-cos²θ =1
   3. Ccosec²θ-tan²θ =1
   4. Dtan²θ= 1 - sec²θ
10. 1011.cosecA - cotA = 4/3 , (cosecA + cotA)'s value.?

    1. A2/3
    2. B3/2
    3. C3/4
    4. D4/3

11. 1112.sinθ = √3/2 , VAlue of θ..?

    1. A30
    2. B45
    3. C60
    4. D90
12. 1213.A = 30 ; tanAtan2A = ?

    1. A0
    2. B1
    3. C1/3
    4. D3
13. 1314. tanA√1̅-̅s̅i̅n̅²̅A̅ = ?

    1. AtanA
    2. BcotA
    3. CsecA
    4. DsinA
14. 1415. A = 45° ; (1- tan²A)/(1+tan²A) = ?

    1. A1/√2
    2. B1/2
    3. C0
    4. D-1/2
15. 1516. which are defined below.?

    1. AcotA, secA
    2. BsinA, tanA
    3. CcosecA, secA
    4. DcotA, cosA
16. 1617.Angle between surface and Normal.?

    1. A0
    2. B360
    3. C180
    4. D90
17. 1719.sin30 = cos3A ; A =..?

    1. A10
    2. B15
    3. C20
    4. D30
18. 1820.cosec(90-A).sec(90-A) = ..?

    1. A1
    2. B2
    3. C3
    4. D4
19. 1921. Trigonometry was invented in.............................

    1. AAncient Greece
    2. BAncient Egypt
    3. CAncient Babylon
    4. DAncient India
20. 2022. For which value of A . sinA = cosA..?

    1. A45
    2. B60
    3. C90
    4. D0
21. 2123. tanA = 2 ; secA =.?

    1. A√2
    2. B√5
    3. C4
    4. D5
22. 22If in any triangle sinA = cosA, the nature of the triangle is..........

    1. AEquilateral
    2. BRight Triangle
    3. CIsosceles Triangle
    4. DIsosceles Right Triangle
23. 2325.cotθ√1̅-̅c̅o̅s̅²̅θ̅ = ..?

    1. Asinθ
    2. Bcosθ
    3. Ctanθ
    4. Dcotθ
24. 2426.[1/(cos²θ)] - [1/(cot²θ)] =...?

    1. Atanθ
    2. B-1
    3. C1
    4. Dcotθ
25. 2527.Opposit ratio of CosecA------------

    1. AsinA
    2. BcosA
    3. CtanA
    4. DcotA

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Quiz on Trig- General MCQ-Nobodoot, created by Alif Al Shoumick on 06/11/2019.

Author

Alif Al Shoumick

Language

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math #trig #unfilteredcbse central board of secondary education

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