HirePro Trigonometry Quiz-1

Question 1

Time: 00:00:00
If cot A + cosec A = 3 and A is an acute angle, then the value of cos A is

1/2

1/2

4/5

4/5

1/3

1/3

1/4

1/4

Question 2

Time: 00:00:00
The value of sin (45° + θ) – cos (45° – θ) is

1

1

0

0

2 cos θ

2 cos θ

2 sin θ

2 sin θ

Question 3

Time: 00:00:00
If {(2 sin θ – cos θ) / (cos θ + sin θ)} = 1, then the value of cot θ is

1/2

1/2

1/3

1/3

3

3

2

2

Question 4

Time: 00:00:00
If the sum of two angles is 135° and their difference is (π/12), then the circular measure of the greater angle is

(2\prod / 3)

(2\prod / 3)

(3\prod/ 6)

(3\prod/ 6)

(5\prod / 12)

(5\prod / 12)

(\prod / 3)

(\prod / 3)

Question 5

Time: 00:00:00
The minimum value of 2 Sin ^{2}\Theta + 3Cos ^{2}\Theta is

3

3

2

2

1

1

Question 6

Time: 00:00:00
If cos x + cos y = 2, the value of sin x + sin y is

1

1

2

2

-1

-1

0

0

Question 7

Time: 00:00:00
The measure of the angles of a triangle are in the ratio 2 : 7 : 11. Measures of angles are

16°, 56°, 88°

16°, 56°, 88°

18°, 63°, 99°

18°, 63°, 99°

20°, 70°, 90°

20°, 70°, 90°

25°, 175°, 105°

25°, 175°, 105°

Question 8

Time: 00:00:00
The value of tan 4° . tan 43° . tan 47° . tan 86° is

2

2

3

3

1

1

4

4

Question 9

Time: 00:00:00
If tan 62° = p/q find the value of tan 28° .

p = q

p = q

q / p

q / p

p ≠ q

p ≠ q

None of these

None of these

Question 10

Time: 00:00:00
If sin 3A = cos (A – 26°), where 3A is an acute angle then the value of A is

29°

29°

26°

26°

23°

23°

28°

28°

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