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
      46°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sin
    46°
  • (ii)
      −  
    sin
    46°
  • (iii)
      −  
    cos
    46°
  • (iv)
    cos
    46°
Question 2
2.
    • The value of
    • cos
      81°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    81°
  • (ii)
      −  
    sin
    81°
  • (iii)
    cos
    81°
  • (iv)
    sin
    81°
Question 3
3.
    • The value of
    • tan
      32°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    tan
    32°
  • (ii)
    cot
    32°
  • (iii)
    tan
    32°
  • (iv)
      −  
    cot
    32°
Question 4
4.
    • The value of
    • cot
      75°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    75°
  • (ii)
    cot
    75°
  • (iii)
      −  
    cot
    75°
  • (iv)
      −  
    tan
    75°
Question 5
5.
    • The value of
    • sec
      31°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    31°
  • (ii)
    sec
    31°
  • (iii)
      −  
    sec
    31°
  • (iv)
    cosec
    31°
Question 6
6.
    • The value of
    • cosec
      32°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    32°
  • (ii)
    sec
    32°
  • (iii)
    cosec
    32°
  • (iv)
      −  
    sec
    32°
Question 7
7.
    • The value of
    • sin
      155°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sin
    65°
  • (ii)
      −  
    cos
    65°
  • (iii)
    cos
    65°
  • (iv)
      −  
    sin
    65°
Question 8
8.
    • The value of
    • cos
      169°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sin
    79°
  • (ii)
      −  
    cos
    79°
  • (iii)
    cos
    79°
  • (iv)
      −  
    sin
    79°
Question 9
9.
    • The value of
    • tan
      123°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    33°
  • (ii)
    cot
    33°
  • (iii)
      −  
    tan
    33°
  • (iv)
      −  
    cot
    33°
Question 10
10.
    • The value of
    • cot
      120°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    30°
  • (ii)
      −  
    tan
    30°
  • (iii)
      −  
    cot
    30°
  • (iv)
    tan
    30°
Question 11
11.
    • The value of
    • sec
      99°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sec
    9°
  • (ii)
      −  
    cosec
    9°
  • (iii)
    cosec
    9°
  • (iv)
    sec
    9°
Question 12
12.
    • The value of
    • cosec
      154°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    64°
  • (ii)
    cosec
    64°
  • (iii)
    sec
    64°
  • (iv)
      −  
    sec
    64°
Question 13
13.
    • The value of
    • sin
      205°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    25°
  • (ii)
      −  
    sin
    25°
  • (iii)
    sin
    25°
  • (iv)
    cos
    25°
Question 14
14.
    • The value of
    • cos
      185°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    5°
  • (ii)
      −  
    cos
    5°
  • (iii)
    cos
    5°
  • (iv)
    sin
    5°
Question 15
15.
    • The value of
    • tan
      214°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    34°
  • (ii)
    cot
    34°
  • (iii)
      −  
    cot
    34°
  • (iv)
      −  
    tan
    34°
Question 16
16.
    • The value of
    • cot
      192°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    tan
    12°
  • (ii)
    tan
    12°
  • (iii)
      −  
    cot
    12°
  • (iv)
    cot
    12°
Question 17
17.
    • The value of
    • sec
      226°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    46°
  • (ii)
    cosec
    46°
  • (iii)
      −  
    sec
    46°
  • (iv)
    sec
    46°
Question 18
18.
    • The value of
    • cosec
      181°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sec
    1°
  • (ii)
      −  
    cosec
    1°
  • (iii)
    sec
    1°
  • (iv)
    cosec
    1°
Question 19
19.
    • The value of
    • sin
      327°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cos
    57°
  • (ii)
      −  
    cos
    57°
  • (iii)
    sin
    57°
  • (iv)
      −  
    sin
    57°
Question 20
20.
    • The value of
    • cos
      279°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    9°
  • (ii)
      −  
    cos
    9°
  • (iii)
    cos
    9°
  • (iv)
    sin
    9°
Question 21
21.
    • The value of
    • tan
      291°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cot
    21°
  • (ii)
    tan
    21°
  • (iii)
      −  
    tan
    21°
  • (iv)
    cot
    21°
Question 22
22.
    • The value of
    • cot
      307°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    37°
  • (ii)
      −  
    cot
    37°
  • (iii)
    cot
    37°
  • (iv)
      −  
    tan
    37°
Question 23
23.
    • The value of
    • sec
      356°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sec
    86°
  • (ii)
    sec
    86°
  • (iii)
    cosec
    86°
  • (iv)
      −  
    cosec
    86°
Question 24
24.
    • The value of
    • cosec
      337°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    67°
  • (ii)
      −  
    sec
    67°
  • (iii)
    sec
    67°
  • (iv)
    cosec
    67°
    Assignment Key
  •  1) (i)
  •  2) (iii)
  •  3) (iii)
  •  4) (ii)
  •  5) (ii)
  •  6) (iii)
  •  7) (iii)
  •  8) (iv)
  •  9) (iv)
  •  10) (ii)
  •  11) (ii)
  •  12) (iii)
  •  13) (ii)
  •  14) (ii)
  •  15) (i)
  •  16) (iv)
  •  17) (iii)
  •  18) (ii)
  •  19) (ii)
  •  20) (iv)
  •  21) (i)
  •  22) (iv)
  •  23) (iii)
  •  24) (ii)