EduSahara™ Assignment
Name : Trigonometric Ratio Angle Simplification
Chapter : Introduction to Trigonometry
Grade : CBSE Grade X
License : Non Commercial Use
Question 1
1.
    • The value of
    • sin
      71°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sin
    71°
  • (ii)
      −  
    cos
    71°
  • (iii)
    cos
    71°
  • (iv)
      −  
    sin
    71°
Question 2
2.
    • The value of
    • cos
      27°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    27°
  • (ii)
    cos
    27°
  • (iii)
      −  
    sin
    27°
  • (iv)
    sin
    27°
Question 3
3.
    • The value of
    • tan
      54°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    54°
  • (ii)
      −  
    tan
    54°
  • (iii)
      −  
    cot
    54°
  • (iv)
    cot
    54°
Question 4
4.
    • The value of
    • cot
      34°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    34°
  • (ii)
    cot
    34°
  • (iii)
      −  
    tan
    34°
  • (iv)
      −  
    cot
    34°
Question 5
5.
    • The value of
    • sec
      75°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sec
    75°
  • (ii)
      −  
    sec
    75°
  • (iii)
    cosec
    75°
  • (iv)
      −  
    cosec
    75°
Question 6
6.
    • The value of
    • cosec
      34°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    34°
  • (ii)
    sec
    34°
  • (iii)
      −  
    sec
    34°
  • (iv)
      −  
    cosec
    34°
Question 7
7.
    • The value of
    • sin
      93°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sin
    3°
  • (ii)
      −  
    sin
    3°
  • (iii)
      −  
    cos
    3°
  • (iv)
    cos
    3°
Question 8
8.
    • The value of
    • cos
      163°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cos
    73°
  • (ii)
    sin
    73°
  • (iii)
      −  
    sin
    73°
  • (iv)
      −  
    cos
    73°
Question 9
9.
    • The value of
    • tan
      128°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    38°
  • (ii)
    cot
    38°
  • (iii)
      −  
    tan
    38°
  • (iv)
      −  
    cot
    38°
Question 10
10.
    • The value of
    • cot
      111°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cot
    21°
  • (ii)
      −  
    tan
    21°
  • (iii)
    cot
    21°
  • (iv)
    tan
    21°
Question 11
11.
    • The value of
    • sec
      112°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sec
    22°
  • (ii)
    sec
    22°
  • (iii)
    cosec
    22°
  • (iv)
      −  
    cosec
    22°
Question 12
12.
    • The value of
    • cosec
      171°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    81°
  • (ii)
      −  
    sec
    81°
  • (iii)
      −  
    cosec
    81°
  • (iv)
    sec
    81°
Question 13
13.
    • The value of
    • sin
      208°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    28°
  • (ii)
    sin
    28°
  • (iii)
      −  
    sin
    28°
  • (iv)
    cos
    28°
Question 14
14.
    • The value of
    • cos
      236°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    56°
  • (ii)
    cos
    56°
  • (iii)
      −  
    cos
    56°
  • (iv)
    sin
    56°
Question 15
15.
    • The value of
    • tan
      207°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    27°
  • (ii)
      −  
    tan
    27°
  • (iii)
      −  
    cot
    27°
  • (iv)
    cot
    27°
Question 16
16.
    • The value of
    • cot
      192°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    12°
  • (ii)
      −  
    tan
    12°
  • (iii)
      −  
    cot
    12°
  • (iv)
    tan
    12°
Question 17
17.
    • The value of
    • sec
      199°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    19°
  • (ii)
    cosec
    19°
  • (iii)
    sec
    19°
  • (iv)
      −  
    sec
    19°
Question 18
18.
    • The value of
    • cosec
      189°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    9°
  • (ii)
    cosec
    9°
  • (iii)
    sec
    9°
  • (iv)
      −  
    sec
    9°
Question 19
19.
    • The value of
    • sin
      339°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    69°
  • (ii)
    sin
    69°
  • (iii)
      −  
    sin
    69°
  • (iv)
    cos
    69°
Question 20
20.
    • The value of
    • cos
      304°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    34°
  • (ii)
    sin
    34°
  • (iii)
    cos
    34°
  • (iv)
      −  
    cos
    34°
Question 21
21.
    • The value of
    • tan
      272°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    2°
  • (ii)
      −  
    cot
    2°
  • (iii)
    tan
    2°
  • (iv)
      −  
    tan
    2°
Question 22
22.
    • The value of
    • cot
      323°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    53°
  • (ii)
      −  
    tan
    53°
  • (iii)
      −  
    cot
    53°
  • (iv)
    tan
    53°
Question 23
23.
    • The value of
    • sec
      305°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sec
    35°
  • (ii)
      −  
    cosec
    35°
  • (iii)
      −  
    sec
    35°
  • (iv)
    cosec
    35°
Question 24
24.
    • The value of
    • cosec
      298°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    28°
  • (ii)
      −  
    sec
    28°
  • (iii)
    sec
    28°
  • (iv)
      −  
    cosec
    28°
    Assignment Key
  •  1) (i)
  •  2) (ii)
  •  3) (i)
  •  4) (ii)
  •  5) (i)
  •  6) (i)
  •  7) (iv)
  •  8) (iii)
  •  9) (iv)
  •  10) (ii)
  •  11) (iv)
  •  12) (iv)
  •  13) (iii)
  •  14) (iii)
  •  15) (i)
  •  16) (i)
  •  17) (iv)
  •  18) (i)
  •  19) (i)
  •  20) (ii)
  •  21) (ii)
  •  22) (ii)
  •  23) (iv)
  •  24) (ii)