 # Free CBSE Class 10 Mathematics UNIT V: Trigonometry Some Applications of Trigonometry Worksheets

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## Sample CBSE Class 10 Mathematics UNIT V: Trigonometry Some Applications of Trigonometry Worksheet Questions

1.

tan2A=?

1.

2tanA/1+tan^2A

2.

2tanA/1-tan^2A

3.

2tanA/1+tan2A

4.

2tanA/1-tan2A

2.

If sin A – cos A = 0, then the value of sin4 A + cos4 A is

1.

1

2.

2

3.

3/4

4.

1/2

3.

If in ΔABC, ∠C = 90°, then sin (A + B) =

1.

0

2.

1/2

3.

1/√2

4.

1

4.

Given that sin θ = a/b, then tan θ =

1.

b/√(b2-a2)

2.

√(b2-a2)/b

3.

a/√(b2-a2)

4.

√(b2-a2)/a

5.

What is the maximum value of 1/cosecA ?

1.

0

2.

1

3.

1/2

4.

2

6.

What is the minimum value of sin A, 0 ≤ A ≤ 90°

1.

1

2.

0

3.

-1

4.

1/2

7.

If sec A + tan A = x, then sec A =

1.

(x2-1)/x

2.

(x2-1)/2x

3.

(x2+1)/x

4.

(x2+1)/2x

8.

If y sin 45° cos 45° = tan2 45° – cos2 30°, then y =

1.

-1/2

2.

1/2

3.

-2

4.

2

9.

sin2B = 2sinB is true when B is equal to

1.

90°

2.

60°

3.

30°

4.

10.

If   x tan 45° sin 30° = cos 30° tan 30°    , then x is equal to

1.

1/2

2.

1/√2

3.

√3

4.

1

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