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
      54°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    54°
  • (ii)
      −  
    cos
    54°
  • (iii)
    cos
    54°
  • (iv)
    sin
    54°
Question 2
2.
    • The value of
    • cos
      58°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sin
    58°
  • (ii)
      −  
    sin
    58°
  • (iii)
      −  
    cos
    58°
  • (iv)
    cos
    58°
Question 3
3.
    • The value of
    • tan
      77°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    tan
    77°
  • (ii)
    tan
    77°
  • (iii)
    cot
    77°
  • (iv)
      −  
    cot
    77°
Question 4
4.
    • The value of
    • cot
      35°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    35°
  • (ii)
      −  
    tan
    35°
  • (iii)
    tan
    35°
  • (iv)
      −  
    cot
    35°
Question 5
5.
    • The value of
    • sec
      63°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    63°
  • (ii)
      −  
    cosec
    63°
  • (iii)
      −  
    sec
    63°
  • (iv)
    sec
    63°
Question 6
6.
    • The value of
    • cosec
      50°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    50°
  • (ii)
    sec
    50°
  • (iii)
      −  
    sec
    50°
  • (iv)
    cosec
    50°
Question 7
7.
    • The value of
    • sin
      126°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cos
    36°
  • (ii)
      −  
    sin
    36°
  • (iii)
    sin
    36°
  • (iv)
      −  
    cos
    36°
Question 8
8.
    • The value of
    • cos
      156°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    66°
  • (ii)
    sin
    66°
  • (iii)
    cos
    66°
  • (iv)
      −  
    sin
    66°
Question 9
9.
    • The value of
    • tan
      179°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    89°
  • (ii)
      −  
    cot
    89°
  • (iii)
      −  
    tan
    89°
  • (iv)
    tan
    89°
Question 10
10.
    • The value of
    • cot
      122°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    32°
  • (ii)
      −  
    cot
    32°
  • (iii)
      −  
    tan
    32°
  • (iv)
    tan
    32°
Question 11
11.
    • The value of
    • sec
      93°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sec
    3°
  • (ii)
    sec
    3°
  • (iii)
      −  
    cosec
    3°
  • (iv)
    cosec
    3°
Question 12
12.
    • The value of
    • cosec
      98°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sec
    8°
  • (ii)
      −  
    cosec
    8°
  • (iii)
    cosec
    8°
  • (iv)
      −  
    sec
    8°
Question 13
13.
    • The value of
    • sin
      254°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cos
    74°
  • (ii)
      −  
    cos
    74°
  • (iii)
    sin
    74°
  • (iv)
      −  
    sin
    74°
Question 14
14.
    • The value of
    • cos
      192°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    12°
  • (ii)
    cos
    12°
  • (iii)
    sin
    12°
  • (iv)
      −  
    sin
    12°
Question 15
15.
    • The value of
    • tan
      256°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    tan
    76°
  • (ii)
    tan
    76°
  • (iii)
      −  
    cot
    76°
  • (iv)
    cot
    76°
Question 16
16.
    • The value of
    • cot
      221°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cot
    41°
  • (ii)
    tan
    41°
  • (iii)
      −  
    tan
    41°
  • (iv)
    cot
    41°
Question 17
17.
    • The value of
    • sec
      258°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sec
    78°
  • (ii)
    cosec
    78°
  • (iii)
      −  
    cosec
    78°
  • (iv)
      −  
    sec
    78°
Question 18
18.
    • The value of
    • cosec
      205°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    25°
  • (ii)
    sec
    25°
  • (iii)
      −  
    sec
    25°
  • (iv)
      −  
    cosec
    25°
Question 19
19.
    • The value of
    • sin
      314°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cos
    44°
  • (ii)
      −  
    cos
    44°
  • (iii)
      −  
    sin
    44°
  • (iv)
    sin
    44°
Question 20
20.
    • The value of
    • cos
      302°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cos
    32°
  • (ii)
      −  
    cos
    32°
  • (iii)
      −  
    sin
    32°
  • (iv)
    sin
    32°
Question 21
21.
    • The value of
    • tan
      323°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    53°
  • (ii)
      −  
    tan
    53°
  • (iii)
      −  
    cot
    53°
  • (iv)
    cot
    53°
Question 22
22.
    • The value of
    • cot
      335°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    65°
  • (ii)
      −  
    tan
    65°
  • (iii)
    cot
    65°
  • (iv)
      −  
    cot
    65°
Question 23
23.
    • The value of
    • sec
      284°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    14°
  • (ii)
    sec
    14°
  • (iii)
      −  
    cosec
    14°
  • (iv)
      −  
    sec
    14°
Question 24
24.
    • The value of
    • cosec
      298°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sec
    28°
  • (ii)
      −  
    cosec
    28°
  • (iii)
    sec
    28°
  • (iv)
    cosec
    28°
    Assignment Key
  •  1) (iv)
  •  2) (iv)
  •  3) (ii)
  •  4) (i)
  •  5) (iv)
  •  6) (iv)
  •  7) (i)
  •  8) (iv)
  •  9) (ii)
  •  10) (iii)
  •  11) (iii)
  •  12) (i)
  •  13) (iv)
  •  14) (i)
  •  15) (ii)
  •  16) (iv)
  •  17) (iv)
  •  18) (iv)
  •  19) (ii)
  •  20) (iv)
  •  21) (iii)
  •  22) (ii)
  •  23) (i)
  •  24) (i)