10th Standard English Medium Maths Subject Trigonometry Book Back 1 Mark Questions with Solution Part - I

10th Standard

    Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 5

    1 Marks

    5 x 1 = 5
  1. The value of \(si{ n }^{ 2 }\theta +\frac { 1 }{ 1+ta{ n }^{ 2 }\theta } \) is equal to

    (a)

     \(ta{ n }^{ 2 }\theta \)

    (b)

    1

    (c)

    \(cot^{ 2 }\theta \)

    (d)

    0

  2. tan \(\theta \) cosec2\(\theta \) - tan\(\theta \) is equal to 

    (a)

    sec\(\theta \)

    (b)

    \(cot^{ 2 }\theta \)

    (c)

    sin\( \theta \)

    (d)

    \(cot\theta \)

  3. If sin \(\theta \) + cos\(\theta \) = a and sec \(\theta \) + cosec \(\theta \) = b, then the value of b(a- 1) is equal to 

    (a)

    2a

    (b)

    3a

    (c)

    0

    (d)

    2ab

  4. If 5x = sec\(\theta \) and \(\frac { 5 }{ x } \) = tan\(\theta \), then x\(\frac { 1 }{ { x }^{ 2 } } \) is equal to 

    (a)

    25

    (b)

    \(\frac { 1 }{ 25 } \)

    (c)

    5

    (d)

    1

  5. If sin \(\theta \) = cos \(\theta \), then 2 tan\(\theta \) + sin\(\theta \) -1 is equal to 

    (a)

    \(\frac { -3 }{ 2 } \)

    (b)

    \(\frac { 3 }{ 2 } \)

    (c)

    \(\frac { 2 }{ 3 } \)

    (d)

    \(\frac { -2 }{ 3 } \)

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