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
      38°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cos
    38°
  • (ii)
      −  
    cos
    38°
  • (iii)
    sin
    38°
  • (iv)
      −  
    sin
    38°
Question 2
2.
    • The value of
    • cos
      45°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    45°
  • (ii)
      −  
    cos
    45°
  • (iii)
    cos
    45°
  • (iv)
    sin
    45°
Question 3
3.
    • The value of
    • tan
      55°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    55°
  • (ii)
      −  
    tan
    55°
  • (iii)
    cot
    55°
  • (iv)
      −  
    cot
    55°
Question 4
4.
    • The value of
    • cot
      56°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cot
    56°
  • (ii)
      −  
    tan
    56°
  • (iii)
      −  
    cot
    56°
  • (iv)
    tan
    56°
Question 5
5.
    • The value of
    • sec
      67°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    67°
  • (ii)
    sec
    67°
  • (iii)
    cosec
    67°
  • (iv)
      −  
    sec
    67°
Question 6
6.
    • The value of
    • cosec
      41°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    41°
  • (ii)
      −  
    sec
    41°
  • (iii)
    cosec
    41°
  • (iv)
    sec
    41°
Question 7
7.
    • The value of
    • sin
      172°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    82°
  • (ii)
    sin
    82°
  • (iii)
    cos
    82°
  • (iv)
      −  
    sin
    82°
Question 8
8.
    • The value of
    • cos
      106°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    16°
  • (ii)
    cos
    16°
  • (iii)
      −  
    cos
    16°
  • (iv)
    sin
    16°
Question 9
9.
    • The value of
    • tan
      157°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    67°
  • (ii)
      −  
    tan
    67°
  • (iii)
      −  
    cot
    67°
  • (iv)
    cot
    67°
Question 10
10.
    • The value of
    • cot
      140°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    tan
    50°
  • (ii)
    tan
    50°
  • (iii)
    cot
    50°
  • (iv)
      −  
    cot
    50°
Question 11
11.
    • The value of
    • sec
      156°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sec
    66°
  • (ii)
      −  
    cosec
    66°
  • (iii)
    cosec
    66°
  • (iv)
      −  
    sec
    66°
Question 12
12.
    • The value of
    • cosec
      140°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    50°
  • (ii)
    sec
    50°
  • (iii)
      −  
    sec
    50°
  • (iv)
      −  
    cosec
    50°
Question 13
13.
    • The value of
    • sin
      238°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sin
    58°
  • (ii)
    sin
    58°
  • (iii)
    cos
    58°
  • (iv)
      −  
    cos
    58°
Question 14
14.
    • The value of
    • cos
      205°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    25°
  • (ii)
    sin
    25°
  • (iii)
    cos
    25°
  • (iv)
      −  
    sin
    25°
Question 15
15.
    • The value of
    • tan
      243°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    tan
    63°
  • (ii)
    cot
    63°
  • (iii)
      −  
    cot
    63°
  • (iv)
      −  
    tan
    63°
Question 16
16.
    • The value of
    • cot
      257°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    tan
    77°
  • (ii)
    tan
    77°
  • (iii)
    cot
    77°
  • (iv)
      −  
    cot
    77°
Question 17
17.
    • The value of
    • sec
      226°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sec
    46°
  • (ii)
    cosec
    46°
  • (iii)
      −  
    cosec
    46°
  • (iv)
      −  
    sec
    46°
Question 18
18.
    • The value of
    • cosec
      242°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    cosec
    62°
  • (ii)
      −  
    sec
    62°
  • (iii)
      −  
    cosec
    62°
  • (iv)
    sec
    62°
Question 19
19.
    • The value of
    • sin
      297°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
    sin
    27°
  • (ii)
      −  
    cos
    27°
  • (iii)
    cos
    27°
  • (iv)
      −  
    sin
    27°
Question 20
20.
    • The value of
    • cos
      278°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cos
    8°
  • (ii)
    cos
    8°
  • (iii)
      −  
    sin
    8°
  • (iv)
    sin
    8°
Question 21
21.
    • The value of
    • tan
      356°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    tan
    86°
  • (ii)
    cot
    86°
  • (iii)
      −  
    cot
    86°
  • (iv)
    tan
    86°
Question 22
22.
    • The value of
    • cot
      320°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cot
    50°
  • (ii)
    cot
    50°
  • (iii)
    tan
    50°
  • (iv)
      −  
    tan
    50°
Question 23
23.
    • The value of
    • sec
      343°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    sec
    73°
  • (ii)
      −  
    cosec
    73°
  • (iii)
    sec
    73°
  • (iv)
    cosec
    73°
Question 24
24.
    • The value of
    • cosec
      359°
    • in terms of an angle between
    • 0°
    • and
    • 90°
    • is
  • (i)
      −  
    cosec
    89°
  • (ii)
    cosec
    89°
  • (iii)
    sec
    89°
  • (iv)
      −  
    sec
    89°
    Assignment Key
  •  1) (iii)
  •  2) (iii)
  •  3) (i)
  •  4) (i)
  •  5) (ii)
  •  6) (iii)
  •  7) (iii)
  •  8) (i)
  •  9) (iii)
  •  10) (i)
  •  11) (ii)
  •  12) (ii)
  •  13) (i)
  •  14) (i)
  •  15) (i)
  •  16) (iii)
  •  17) (iv)
  •  18) (iii)
  •  19) (ii)
  •  20) (iv)
  •  21) (iii)
  •  22) (iv)
  •  23) (iv)
  •  24) (iv)