# Accenture Trignometry Quiz-1

Question 1

Time: 00:00:00

It is known that 0 < θ < 90 and it is also given that sin θ = 3/5. Find the value of tan (θ/2)...

1/3

1/3

3

3

2/3

2/3

3/2

3/2

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Question 2

Time: 00:00:00

Find the value of sin21+sin22+sin23+…..+sin289...

44.5

44.5

45.5

45.5

46.5

46.5

43.5

43.5

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Question 3

Time: 00:00:00

Find cotθ+tanθ if sinθ = 5/13...

13/60

13/60

60/13

60/13

169/60

169/60

60/169

60/169

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Question 4

Time: 00:00:00

If sinx=20/29, then find the value of cosecx–cotx...

2/5

2/5

4/5

4/5

7/20

7/20

8/21

8/21

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Question 5

Time: 00:00:00
If tan4θ + tan2θ = 1, then the value of cos4θ + cos2θ is

8

8

10

10

1

1

2

2

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Question 6

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

1

1

2Cosθ

2Cosθ

2Sinθ

2Sinθ

zero

zero

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Question 7

Time: 00:00:00
2 sin θ – cos θ/cos θ + sin θ

then the value of cot θ is

1/2

1/2

1/3

1/3

2

2

3

3

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Question 8

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

4/5

4/5

1

1

1/2

1/2

1/√3

1/√3

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Question 9

Time: 00:00:00
If cot(π/2 - θ) = √3, then the value of 1+cos θ is

1/√2

1/√2

3/2

3/2

1

1

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Given Cot(?/2 – ?)=?3 Tan?=?3 If we see the triangle of ? we can observe that the tan? is opposite side by adjacent side. That means opposite side value is ?3 and adjacent side is 1...so this makes hypotenuse 2 so according to the given question...we are supposed to find the value of cos? which is adjacent side by hypotenuse...which is nothing but 1/2. So the correct answer id \"1/2 \" which is option B..!!

111

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